International Slide Rule Museum

The City of Louisville () is a home rule municipality located in southeastern Boulder County, Colorado, United States. The city population was 21,226 at the 2020 United States Census. Louisville began as a rough mining community in 1877, suffered through a period of extraordinary labor violence early in the 20th century, and then, when the mines closed in the 1950s, made a transition to a suburban residential community. CNN/Money and Money magazine have consistently listed Louisville as one of the 100 best places to live in the United States, ranking it among the top 100 in 2007, 2009 2011, 2013, 2015, and 2017.

The Robinson House in Louisville, Colorado, at 301 Spruce, also known as the Cedarberg House, was built in 1904. It was listed on the National Register of Historic Places in 1986.It is a vernacular wood frame two-and-a-half-story house with a Colonial Revival style porch extending across its front. The house was deemed significant as "one of the best and most elaborate examples of vernacular wood frame architecture in Louisville. In a community consisting primarily of one to one and one-half story modest frame houses, the Robinson House remains as one of Louisville's largest historic residences. The interior is one of the most elaborate and most intact, adding to its architectural significance."It was listed as part of a 1985 multiple property study focusing on historic buildings of Louisville. The study identified this house and seven others as reflective of "Louisville's evolution and development during the heyday of coal mining which brought the town into existence."

The Rhoades House, at 1024 Grant Ave. in Louisville, Colorado in Boulder County, Colorado, was built in 1906. It was listed on the National Register of Historic Places in 1986.It was originally owned by George W. Rhoades. In 1985 it was deemed "one of the best intact examples of Queen Anne Vernacular architecture in Louisville, and well illustrates the modest housing erected by coal miners in the community in the early 20th century." At the time of listing both its interior and exterior were "virtually intact".It may in fact be a Sears catalog house.The property also included a contributing structure: a historic frame shed, and a non-contributing garage.

The Ginacci House, at 1116 LaFarge St. in Louisville, Colorado, was built around 1908. It was listed on the National Register of Historic Places in 1986. It is a one-story masonry house with a hipped roof, having two arched doors and two arched windows on its front facade. Gingerbread trim decorates a front porch and a gable in the center of the roof.Among homes built for coal miners in Louisville, the house is unusual for its red brick construction and for association with Italian heritage. A 1926 extension housed a spaghetti-making machine.It has also been known as the Leary House.

Centaurus High School (CHS) is a secondary school in Lafayette, Colorado, United States. It is part of the Boulder Valley School District. The school is known in the community for its engineering, International Baccalaureate, Advanced Placement, and AVID programs. The school has an open campus, meaning that students are free to come and go at all hours of the day.

Paragon Estates 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 Paragon Estates CDP was 928 at the United States Census 2010. The Boulder post office (Zip Code 80303) serves the area.

Monarch High School (MHS) is a secondary school located in Louisville, Colorado, and is part of the Boulder Valley School District. The school was named a John Irwin School of Excellence for the 2004–2005 school year. In 2007, Monarch was named the Sixth Best High School in the Denver Metro Area by 5280 Magazine. As of 2015, Newsweek magazine ranked the high school 356th in the US, out of the top 500.

Superior is a statutory town in Boulder County, Colorado, United States, with a small, uninhabited segment of land area extending into Jefferson County. According to the 2020 census, the population of the city was 13,094.

The City of Lafayette () is a home rule municipality located in southeastern Boulder County, Colorado, United States. The city population was 24,453 at the 2010 United States Census.

Boulder Valley Grange No. 131, also known as Boulder Valley Community Hall, is an historic wooden Grange hall located at 3400 North 95th Street in Lafayette, Colorado. It was built in 1900 and features a hipped roof with clapboard sides. Various additions have been made which maintain its architectural integrity.On December 7, 1987, it was added to the National Register of Historic Places.Today it serves as the meeting place of Pleasant View Grange No. 164.