Boston Ravine, California

Gold Hill in Grass Valley, California, was the site of one of the first discoveries of quartz gold in California. While quartz gold was also found in other areas of Nevada County, California during the same time, it is this find near Wolf Creek that led to quartz-mining frenzy and subsequent creation of the Gold Country quartz-mining industry. The location is honored as a California Historical Landmark.

Mount Saint Mary's Convent and Academy, originally the Sacred Heart Convent and Holy Angels Orphanage and previously Mount St. Mary's Convent and Orphan Asylum, and also known as Mount Saint Mary's Academy and Convent, is the only extant original orphanage in California and commemorates the Sisters of Mercy, in Grass Valley, Nevada County, California.The Gothic Revival Style Victorian building with Georgian Revival accents currently houses the Grass Valley Museum, at 410 South Church Street between Chapel and Dalton Streets, Grass Valley.

The Grass Valley Public Library (renamed the Grass Valley Library-Royce Branch) is a Carnegie library and on the National Register of Historic Places. Located in Grass Valley, California and a part of the Nevada County Library System, it is open Tuesday through Saturday.

The Home of Lola Montez is located in downtown Grass Valley, California at 248 Mill Street. Lola Montez, the internationally known singer and dancer, moved here in 1853, and this is the only home she ever owned.

The Home of Lotta Crabtree is located in downtown Grass Valley, California at 238 Mill Street.

Grass Valley Charter School is a K–8 charter school in Grass Valley, California, USA, part of Grass Valley School District. It was the first charter school in that part of Nevada County.

The Holbrooke Hotel is located in Grass Valley, California, USA. It is notable as the oldest hotel that has been in continuous operation in California's Mother Lode. The hotel was built in 1862 in mid-19th century Mother Lode masonry architectural style, and incorporated the Golden Gate Saloon which has been in continuous operation since 1852.

Grass Valley is a city in Nevada County, California, United States. Situated at roughly 2,500 feet (760 m) in elevation in the western foothills of the Sierra Nevada mountain range, this northern Gold Country city is 57 miles (92 km) by car from Sacramento, 64 miles (103 km) from Sacramento International Airport, 88 miles (142 km) west of Reno, and 143 miles (230 km) northeast of San Francisco. As of the 2010 United States Census, its population was 12,860.

The Diocese of Grass Valley (Latin: Dioecesis Vallispratensis) now a titular see, was formerly a residential diocese of the Catholic Church located in northeastern California, United States. The diocese also included most of Nevada, and, early in its history, Utah and part of Colorado.

The North Star Mine and Powerhouse are located on Lafayette Hill a short distance south of Grass Valley in the U.S. state of California. It was the second largest producer of gold during California's Gold Rush. In 1898, the largest Pelton wheel for its time was built for the mine. The North Star Mine Company also owned locations on Weimar Hill, adjoining and south of the North Star Mine. It shut down during World War II after its consolidation with the Empire Mine.

North Star House (alternate: Foote Mansion) is a house located roughly a mile south of Grass Valley, Nevada County, northern California. The building served as the superintendent's house for the North Star Mine. Commissioned by Superintendent Arthur De Wint Foote and his wife, Mary Hallock Foote ("Molly"), an author and illustrator, it was designed in 1905 by the architect Julia Morgan. This was her first significant, large-scale, residential project. The house is notable for its relationship to the literary career of Molly Foote and the master architect, Morgan.

The Oaks is an unincorporated community in Nevada County, California. The Oaks is located 1 mile (1.6 km) west of Grass Valley. It lies at an elevation of 2549 feet (777 m).