The Dubuque County Courthouse is located on Central Avenue, between 7th and 8th Streets, in Dubuque, Iowa, United States. The current structure was built from 1891 to 1893 to replace an earlier building. These are believed to be the only two structures to house the county courts and administrative offices.
The Mathias Ham House is a 19th-century house in Dubuque, Iowa that is on the National Register of Historic Places. It is located at the intersection of Shiras and Lincoln Avenues, near the entrances to Eagle Point Park and Riverview Park.
Five Flags Center is a multi-purpose facility in downtown Dubuque, Iowa. It is named for the five flags that have flown over Dubuque; the Fleur de Lis of France (1673–1763), the Royal Flag of Spain (1763–1803), the Union Jack of Great Britain, the French Republic Flag of Napoleon (1803) & America's Stars and Stripes (1803–Present).
The Dubuque County Jail is a historic building at 36 East 8th Street in Dubuque, Iowa, United States. Completed in 1858, the jail is an example of the uncommon Egyptian Revival style. It is architecturally a highly original work of John F. Rague, who also designed the 1837 Old Capitol of Illinois and the 1840 Territorial Capitol of Iowa. The building was designated a National Historic Landmark for its architecture in 1987. It served as a jail for more than a century, became a museum in 1975, and was converted into county offices in 2016.
The Langworthy House, also known as the Octagon House, is an historic building located in Dubuque, Iowa, United States. Built in 1856, it was designed by local architect John F. Rague for local politician Edward Langworthy. The two-story brick home features tall windows, a columned entry, and a windowed cupola. Langworthy and three of his brothers were among the first settlers in Dubuque. They were partners in a lead mine, helped to build the territorial road between Dubuque and Iowa City, they farmed, invested in real estate, and they owned a steamboat and a mercantile exchange. The house has been passed down through Langworthy's descendants. It was individually listed on the National Register of Historic Places in 1975, and it was included as a contributing property in the Langworthy Historic District in 2004.
The Mines of Spain State Recreation Area and E. B. Lyons Nature Center is a state park in Dubuque County, Iowa, United States. It is near Dubuque, the eighth-largest city in the state. The park features picnic areas, 15 miles (24 km) of walking/hiking trails, 4 miles (6.4 km) of ski trails, and the Betty Hauptli Bird and Butterfly Garden. It also includes archaeological sites of national importance as an early lead mining and smelting venture led by French explorer Julien Dubuque, as well as Dubuque's gravesite. These sites were collectively designated a National Historic Landmark District as Julien Dubuque's Mines.
The Bishop's Block, also known as the Bishop's Block Apartments, is an historic building located in Dubuque, Iowa, United States. It was individually listed on the National Register of Historic Places in 1994. It was included as a contributing property in the Old Main Street Historic District in 2015.
The Joseph "Diamond Jo" Reynolds Office Building and House is a historic building located in McGregor, Iowa, United States. Joseph "Diamond Joe" Reynolds was a New York native who started working in a gristmill in the 1840s. As the grain belt moved to the west, he moved with it, settling in Chicago in the 1850s and McGregor around 1860. Because of difficulties accessing steamboats to ship grain down the Mississippi River, he established the Diamond Jo line in 1866. It grew to become a major player in the transportation industry. He had its headquarters moved from Fulton, Illinois to Dubuque, Iowa in 1874. By the late 1870s railroads had taken over as the primary means of shipping grain, and Reynolds turned his attention to passenger boats. He had this combination office and residential building constructed in 1885. Reynolds died in 1891 and his widow sold the building before her death in 1895. It has subsequently housed grain trader offices, a billiard parlor, the post office, a winery, shops, and apartments.
The Western Hotel, also known as the Pin Oak Tavern, is a historic building located southeast of Holy Cross, Iowa, United States. John H. Floyd settled in Dubuque County in the early 1830s. He was appointed postmaster in the 1840s, and he had this building built for his home and as the Pin Oak Post Office. It is a rare example of a frame saltbox-style building in Iowa. Its foundation is of undressed native limestone. The house was located along a popular route to and from the city of Dubuque and it became known as hospitable place for good food, drink, and rest. It was called the Western Hotel for a time because they had acquired a sign from a same-named place in Dubuque. The building was listed on the National Register of Historic Places in 1976.
The Johann Christian Frederick Rath House is a historic building located in Dubuque, Iowa, United States. Rath settled in the Dubuque are from his native Hanover in 1851. He was a wood worker, farmer and lead miner. He acquired property along what is now Mt. Loretta Avenue and gave parcels to his children as they came of age. Rath completed this house in 1853. He died in 1881 and the house remained in the family until 1937. The house is a 1½-story brick structure with a walk-out basement. The side-gable roof has a large dormer on the back that was created from two smaller dormers in 1940. Also on the rear of the house is a full-length, two-story porch. The house's general form, window shapes, chimney placement and its five-bay, symmetrical plan suggests the Georgian Revival style. It was listed on the National Register of Historic Places in 1977.
The J.H. Thedinga House is a historic building located in Dubuque, Iowa, United States. Thedinga was a native of Hanover who settled in Dubuque in 1839. He studied law, but never practiced it. He was an early settler here and was engaged in retail. Thedinga also held a variety of political positions, including mayor. The two-story brick structure features crow-stepped gables on the sides. It was built as an addition to a frame house in 1855. The frame structure was removed some time between 1885 and 1900. The brick structure was altered at that time so that the library was converted into a kitchen and dining room, the parlor was divided into two sections, and the lower and upper porches were added to the south side. The house was individually listed on the National Register of Historic Places in 1976, and it was included as a contributing property in the Cathedral Historic District in 1985.
Redstone is a historic building located in Dubuque, Iowa, United States. This is one of three large homes that Augustine A. Cooper, who owned Cooper Wagon and Buggy Works, built for himself and his two daughters. When it was completed in 1888 it was a duplex with 27 rooms, with the family side more ornate than the tenant side. The 2½-story brick structure with red sandstone trim was designed by Thomas Carkeek in the Richardsonian Romanesque style. The elements of that style are found in the round arch window openings, the use of rough limestone for the lintels, and its heavy mass. The terracotta friezework on the cornices over the bay window, the tower, the corner gables, and the Corinthian-style capitals on the porch columns reflect Neoclassical influences. The house was individually listed on the National Register of Historic Places in 1976, and it was included as a contributing property in the Cathedral Historic District in 1985. The building has been converted into a bed and breakfast inn.
The Andrew–Ryan House is a historic house located in Dubuque, Iowa, United States. This is considered the best example of the Second Empire style in the city, and one of finest in the state of Iowa. The two-story brick structure was designed by Dubuque architect Fridolin J. Herr Sr. It was originally built 13 feet (4.0 m) to the north, but was moved to its present location between 1885 and 1890. The porches on the south side may have been added at that time. The house is from the high Second Empire style and features a mansard roof, arched windows, dominant chimneys, a prominent belvedere, and classical moldings on the pilasters, belt courses, and stone work.
The Garland House is a historic building located in Dubuque, Iowa, United States. Joseph C. Garland settled in Dubuque in 1889 and built a general insurance agency that grew to cover 25 counties in Iowa representing the Northwestern Mutual Life Insurance Company. He was also a community booster and philanthropist. The exterior of his large Georgian Revival home is covered with concrete block veneer, which is an unusual combination. The main facade is dominated by a two-story pedimented portico, the east elevation by a centered semicircular vault dormer, and the rear elevation by a two-story veranda. The house is capped with a hip roof with dormers. It was individually listed on the National Register of Historic Places in 1983, and it was included as a contributing property in the Langworthy Historic District in 2004.
The Kelley House is a historic building located in Dubuque, Iowa, United States. John and Mary Kelley bought this property from James Fanning in 1855. Kelley built this two-story structure, which is a rare example of Mississippi Valley French Colonial architecture in Iowa. While Kelley was not of French ancestry, the Dubuque area was initially settled by French Canadians. However, this house, completed by 1858, was completed well after the French influence in the area. It is also an example of the French style from the Southern United States and the Caribbean. Typical of this style is the full-length galerie, or porch, with an exterior staircase, and the main living quarters located above a full-height ground floor level. Both of these elements are found in the Kelley house. It was listed on the National Register of Historic Places in 1978.
The Ziepprecht Block is a historic building located in Dubuque, Iowa, United States. Completed in 1888, it is a fine example of transitional commercial Italianate architecture. The three-story brick structure features a heavy projecting cornice and rounded pediment from the Italianate, with larger paired windows from the Second Empire style, and three-sided bay windows from the Queen Anne style. It is also one of a small number of double storefront blocks that remain in the downtown area. The building is named for Henry Ziepprecht a German-born druggist who settled in Dubuque in 1856 and died in 1887. His estate paid to have this building constructed on the location of an older building that housed his drug store. Now managed by Joseph Wittmer, the drug store and a confectionery were the first businesses to occupy the storefronts. The upper floors housed apartments. The building was listed on the National Register of Historic Places in 2002.
Jackson Park Historic District is a nationally recognized historic district located in Dubuque, Iowa, United States. It was listed on the National Register of Historic Places in 1986. This is primarily a residential area, with some institutional and commercial buildings, located north of the central business district. The city originally developed just to the south of here. The Cathedral Historic District represents the oldest residential neighborhood in Dubuque, and began to house the working-class people closer to the docks. Once the Jackson Park area opened for development the city's wealthier residents built their homes here. Architectural styles rang from the vernacular, which are found mainly along the bluff, to the high style found mainly along Main and Locust Streets. Most of the houses were built from the mid to the late 19th century. The Andrew-Ryan House (1873) was individually listed on the National Register. Most of the institutional architecture are churches, which include St. John's Episcopal Church (1878) and St. Patrick's Catholic Church (1878). Central High School, no longer extant, was located across from Jackson Park, and it was also individually listed on the National Register before its demise. The Carnegie-Stout Public Library (1902) is located on the south side of the district.
Langworthy Historic District is a nationally recognized historic district located in Dubuque, Iowa, United States. It was listed on the National Register of Historic Places in 2004. At the time of its nomination it consisted of 110 resources, which included 94 contributing buildings, five contributing structures, nine non-contributing buildings, and two non-contributing structures. This residential area was developed from the end of the American Civil War to the beginning of World War I. Most of the houses were built between 1890 and 1910, with four large houses pre-dating the Civil War. For the most part, the houses here are larger in scale and include examples of Victorian and the various revival and American Movement styles from the late 19th and 20th centuries. The district is completely residential with no commercial or institutional buildings, and with only one multi-family house, a duplex. Two houses were individually listed on the National Register: Langworthy House, an Octagon house from 1855, and the Garland House (1907). The district derives its name from the Langworthy family who were early settlers in Dubuque and played a prominent role in the development of the local lead mining industry and the city itself. Three of the brothers built houses here.
Washington Residential Historic District is a nationally recognized historic district located in Dubuque, Iowa, United States. It was listed on the National Register of Historic Places in 2015. At the time of its nomination it consisted of 327 resources, which included 262 contributing buildings, 61 non-contributing buildings, and two non-contributing objects. This is one of the early residential areas of Dubuque, and was home to its German community. It also defines the "walkable city" with commercial, industrial, and institutional buildings located here. There are a number of churches in the district from various denominations. Of particular interest are St. Mary's Catholic Church (1866), St. John's Lutheran Church (1880), and St. Matthew's Lutheran Church (1908). A significant number of the buildings were constructed in brick, and the vast majority of the buildings in the district were built by 1891. Vernacular structures are commonplace here, as are various Victorian styles. Hollenfelz House (1891) and the Dubuque Casket Company building (1894) are individually listed on the National Register. The former St. Mary's Catholic Church complex forms its own historic district within this one.
The Fenelon Place Residential Historic District is a nationally recognized historic district located in Dubuque, Iowa, United States. It was listed on the National Register of Historic Places in 2015. At the time of its nomination it consisted of 218 resources, which included 171 contributing buildings, two contributing structures, one contributing site, 43 non-contributing buildings, and one non-contributing structure. The residential area that makes up the district is located on a plateau located directly above the Mississippi River Valley. This was the first bluff-top neighborhood in Dubuque that established elevator service. The first Fenelon Place Elevator, listed on the National Register in 1978, was completed in 1894. Early houses on the plateau were small cottages built by lead miners. They were replaced by large houses that were built in two periods. The first period at the end of the 19th century saw houses built in the Italianate, Gothic Revival, Second Empire, and Queen Anne styles. House in the second period in the beginning of the 20th century were largely built in the Classical Revival and Tudor Revival styles.
