Pine Brook Hill, Colorado

Seven Hills is an unincorporated community and a census-designated place (CDP) located in and governed by Boulder County, Colorado, United States. The CDP is a part of the Boulder, CO Metropolitan Statistical Area. The population of the Seven Hills CDP was 121 at the United States Census 2010. The Boulder post office (Zip Code 80302) serves the area.

The Boulder Creek Bridge near Boulder, Colorado is a concrete slab and girder bridge which was built in 1953. It was listed on the National Register of Historic Places in 2003.It brings Colorado State Highway 119 over Boulder Creek, and was under Federal rather than state management as the highway provides access from Boulder to the Roosevelt National Forest.It was designed by the U.S. Bureau of Public Roads. It is 100 feet (30 m) in total length, and 39 feet (12 m) wide carrying a 34 feet (10 m)-wide roadbed. It consists of three spans, the main one being 48 feet (15 m) long. It has concrete abutments, wingwalls, and spill-through piers. Steel flex beams on the approach were a later addition.It was deemed technologically significant as one of the first concrete girder bridges in Colorado of a new type, having parabolically arched beams rather than flat ones, and supported by concrete spill through piers.

Arnett-Fullen House also known as the Gingerbread House, is located on 646 Pearl Street in Boulder, Colorado and is on the list of the National Register of Historic Places listings in Boulder County, Colorado since 2009. This house features a mixture of architectural styles and is a two-story, private residency, which is sometimes open to the public.

The Boulder Post Office, also known as Boulder Main Post Office, at 1905 Fifteenth St. in Boulder, Colorado, was built in 1910. It was listed on the National Register of Historic Places at US Post Office--Boulder Main in 1986. It is a rectangular building taking up nearly all of the site's 220 by 150 feet (67 m × 46 m) footprint. It has Renaissance Revival and Classical Revival details and was designed by the supervising architect of the U.S. Treasury James Knox Taylor. It has a metal hipped roof.It was deemed significant as "a well preserved and rare example of the type of post office building constructed during James Knox Taylor's tenure as Supervising Architect. The building is a notable interpretation of Classical and Renaissance Revival styling and has considerable urban design significance in relation to the town's civic center."It is also a contributing building in the Downtown Boulder Historic District, which was NRHP-listed in 1980. Following the 2021 Boulder shooting, local Congressman Joe Neguse introduced legislation to have the post office named after police officer Eric Talley, who was killed while responding to the shooting.

The Carnegie Library in Boulder, Colorado is a building from 1906. It was listed on the National Register of Historic Places in 1979. The building is now known as the Carnegie Library for Local History, and is a branch of the Boulder Public Library. The library contains an area of 4,000 square feet (370 m2).

The First Baptist Church of Boulder, at 1237 Pine St. in Boulder, Colorado, was built in 1925-26. It was listed on the National Register of Historic Places in 2004. It is a brick L-shaped building "central three-story square tower is located at the inside corner of the "L" and has the pointed arch main entrance with heavy, paneled, glazed, wooden, double doors. The tower is topped with a pre-cast concrete belfry with such ornate details as a crenellated parapet, quatrefoils, corner piers, and large lancet openings with smaller lancet shapes in the tracery."It was deemed significant as "excellent example of the Late Gothic Revival style. Exhibiting all of the elements of this early 20th century style in its square tower, decorative quatrefoils, pointed-arch windows and doors, and buttresses,

Highland Lawn is a subdivision in Boulder, Colorado. The subdivision contains a concentration of well-preserved buildings reflecting the prevailing architectural tastes at the turn of the twentieth century, including Queen Anne style, Classic Cottage, and Victorian house vernacular styles. Hannah Connell Barker platted the middle-class neighborhood in 1884 as the Town of Highland Lawn. The area is significant for its association with historic persons and events and as an excellent collection of buildings reflecting architectural styles of the period. The City of Boulder has established the Highland Lawn Historic District encompassing a large portion of the original subdivision.

Lazy Acres is an unincorporated community and a census-designated place (CDP) located in and governed by Boulder County, Colorado, United States. The CDP is a part of the Boulder, CO Metropolitan Statistical Area. The population of the Lazy Acres CDP was 957 at the United States Census 2020. The Boulder post office (Zip Code 80302) serves the area.

The Hotel Boulderado is located at 13th and Spruce St. in downtown Boulder, Colorado. It opened its doors on New Year's Day 1909. The original 1908 Otis Elevator is still in operation.As one of the first Boulder hotels, it is located in the heart of downtown. The hotel's name comes from the words "Boulder" and "Colorado" so no guest would forget where they had stayed. The hotel is listed on the National Register of Historic Places. Hotel Boulderado is a member of Historic Hotels of America, the official program of the National Trust for Historic Preservation.The Hotel Boulderado houses three restaurants. Located off of the main lobby are Spruce Farm and Fish, a fine-dining restaurant, and the Corner Bar, a more casual eatery. The basement contains a speakeasy-style bar, License No. 1, which recently replaced Catacombs. All three restaurants share a kitchen.The Hotel Boulderado appears in Stephen King's novel Misery.

The following is a timeline of the history of the city of Boulder, Colorado, USA.

Highland School, also or previously known as Highland-Lawn School, is an 1892 building at 9th Street and Arapahoe Avenue in Boulder, Colorado. It was the fourth school built in Boulder and was used as a school until 1971. The Highland School Building was converted to use as an office building and placed on the National Register of Historic Places in 1978. The building is constructed of red brick and blond sandstone mined from local quarries.Highland School was threatened with demolition in 1971. Civic leaders opposed to the demolition of the School and nearby Central School (Boulder, Colorado) formed Historic Boulder, Inc. to advocate for its preservation.The school was designed by the Denver firm of Varian and Sterner in 1890. It was doubled in size in a 1923 extension which was designed to be entirely compatible to the original building.

The Pearl Street Mall (also referred to as Pearl Street, or Downtown Boulder) is a four-block pedestrian mall in Boulder, Colorado. The pedestrian area stretches from 11th Street to 15th Street along Pearl Street and is home to a number of businesses and restaurants as well as the Boulder County Courthouse.