Gaithersburg Latitude Observatory

Gaithersburg High School (GHS) is located in Gaithersburg, Maryland. Part of Montgomery County Public Schools, the school was founded in 1904 as "Gaithersburg School" and offered grades K-12. Since 2013, the school resides at 101 Education Blvd and currently offers education for those in grades 9–12. Both Forest Oak Middle School and Gaithersburg Middle School feed into the high school.

Montgomery County is the most populous county in the U.S. state of Maryland. As of the 2020 census, the county's population was 1,062,061, increasing by 9.3% from 2010. The county seat is Rockville and Germantown is the most populous place in the county. The county is adjoined to Washington, D.C., the nation's capital, and is part of the Washington metropolitan area and the Washington–Baltimore combined statistical area. Most of the county's residents live in Silver Spring, Bethesda, and the incorporated cities of Rockville and Gaithersburg.The average household income in Montgomery County is the 20th-highest among U.S. counties as of 2020.The county has the highest percentage (29.2%) of residents over 25 years of age who hold post-graduate degrees. Like other counties in the Washington metropolitan area, the county has several U.S. government offices, scientific research and learning centers, and business campuses.

The Thomas and Company Cannery is a historic building located at Gaithersburg, Montgomery County, Maryland. It is a one to two-story tall, free-standing, load-bearing brick rectangular structure composed of four discrete, structurally independent but contiguous elements, built between 1917 and 1918. An addition was constructed in 1956. It was the first and largest vegetable cannery in Montgomery County. The cannery was the primary employer in Gaithersburg, providing regular full and part-time employment for more than 200 people, and hundreds of additional jobs for migrant workers employed picking vegetables grown in the surrounding area. It closed in 1963, after fire damage.It was listed on the National Register of Historic Places in 1990.

The John A. Belt Building is a historic commercial building located at 227 East Diamond Avenue in Gaithersburg, Montgomery County, Maryland.

Gaithersburg station is a commuter rail station located on the Metropolitan Subdivision in downtown Gaithersburg, Maryland. It is served by the MARC Brunswick Line service; it was also served by Amtrak from 1971 to 1986. The former Baltimore and Ohio Railroad station building and freight shed, designed by Ephraim Francis Baldwin and built in 1884, are listed on the National Register of Historic Places as Gaithersburg B & O Railroad Station and Freight Shed. They are used as the Gaithersburg Community Museum.

GlobalStem, Inc. is a biotechnology company based in Rockville, Maryland. GlobalStem is a provider of laboratory products and services for the stem cell research community. The company is based in Rockville, Maryland and serves an international base of academic, private industry and government customers. The company was founded in 2006 by a team of stem cell researchers who desired to bring to market better quality and more standardized research tools. GlobalStem is engaged in collaborative and strategic partnerships with a number of major companies in the stem cell research field, and is a leading resource center to foster the advancement of human embryonic stem cell research. Globalstem, Inc. was acquired by Molecular Transfer, Inc. in 2009. In 2015, the newly organized company was rebranded as MTI-GlobalStem. MTI-GlobalStem was subsequently acquired by Thermo Fisher Scientific in late 2016.

Lakeforest Mall, formally the Lakeforest Regional Mall, also known as Lakeforest, is an abandoned enclosed shopping mall located in Gaithersburg, Maryland. The property is currently owned by WRS Inc. Real Estate Investments who is planning to redevelop the site. The mall closed to the public on March 31, 2023. The mall featured a food court, and until 2013, formerly a large children's play area at the center. Following the closure of three of its four anchor stores, JCPenney, Lord & Taylor, and Sears in 2019, Macy's remained as the mall's final remaining anchor store until 2023, with the rest of the mall closing shortly after. Following its closure, the mall is set to be demolished the following year at the soonest.

RIO Washingtonian Center, stylized as rio, is a 760,000 sq ft (71,000 m2) hybrid power center and lifestyle center with shopping, restaurants, and entertainment in Gaithersburg, Maryland located immediately south of the interchange between Interstate 270 and 370. The original RIO building opened in 1982, while the adjacent "Washingtonian Center" and "Washingtonian Waterfront" were developed in 1997 and 2004. It underwent a $30 million renovation in 2020. The center is adjacent to the U.S. headquarters for Sodexo and four Marriott-branded hotels.

Washington Grove is a passenger rail station in Washington Grove, Maryland, on MARC Train's Brunswick Line. The station serves a historic community near Washington, D.C. that was a summer retreat for many of its citizens during the nineteenth and twentieth centuries, but that recently have become year-round residences without destroying the outward appearance of the original structures in the community. Originally the rail connection provided the transportation to the community, which is designed only for pedestrian use along footpaths.

Washington Grove is a town in Montgomery County, Maryland, United States. The population was 505 at the 2020 census. The Washington Grove Historic District was listed on the National Register of Historic Places in 1980.

Shady Grove is an unincorporated area of Montgomery County, Maryland, United States. It has a population of 5,000-7,000, between the cities of Rockville and Gaithersburg, mostly in zip codes 20850 and 20855, though the exact boundaries are not officially defined.

The NIST stone test wall is an experiment by the United States National Institute of Standards and Technology to determine how different types of construction stone weather. It includes 2352 samples of stone from 47 US states and 16 countries. The wall measures approximately 12 m long, 4 m high, 0.6 m thick at the bottom, and 0.3 m at the top. It includes varieties of andesite, argillite, basalt, bluestone, breccia, conglomerate, coquina, coral, dacite, diabase, diorite, dolomite, gabbro, gneiss, granite, granodiorite, greenstone, labradorite, limestone, marble, melaphyre, pitchstone, pumice, pyrophyllite, quartz, quartzite, sandstone, schist, serpentinite, shellstone, soapstone, syenite, travertine, and tuff. The wall was built by one stonemason, Vincent Di Benedeto, in 1948. He used two types of stone-setting mortar on the front. He used both a 1:3 lime mortar, with a high calcium hydrate and a 1:0.4:3 portland cement, whiting, and sand mortar. The wall was moved from its original location in Washington, D.C. to Gaithersburg, Maryland in May 1977.