History

Military

Air Force Academy (Colorado Springs) — free visitor center and tour stops

Dragonmans Military Museum (Colorado Springs)

Fort Garland Museum (Fort Garland) — army fort from 1800s

National Museum of World War II Aviation (Colorado Springs)

Peterson Air and Space Museum (Colorado Springs)

Sand Creek Massacre National Historic Site (Eads)

Mining and Industry

Mollie Kathleen Gold Mine tour (Cripple Creek)

Steelworks Center of the West (Pueblo)

Vindicator Valley Trail (Goldfield) — trail past ruins of several gold mines

Western Museum of Mining and Industry (Colorado Springs)

Money

Money Museum (Colorado Springs) — exhibits on the history of money and samples of U.S. gold coins.

United States Mint (Denver) — free tours on weekdays

Old Houses

McAllister House Museum (Colorado Springs)

Miramont Castle (Manitou Springs) — tours of an old mansion

Molly Brown House Museum (Denver)

Transportation

Colorado Railroad Museum (Golden)

Dr. Lester L. Williams Fire Museum (Colorado Springs)

Forney Museum of Transportation (Denver) — Interesting collection of cars, train cars, bicycles, and motorcycles.

Penrose Heritage Museum at the Broadmoor (Colorado Springs)

Pikes Peak Historical Street Railway Foundation (Colorado Springs)

The West

Bent’s Old Fort National Historic Site (La Junta) — old trading post on the Santa Fe Trail

Buffalo Bill Grave and Museum (Golden)

Colorado Springs Pioneers Museum (Colorado Springs) — local history and a 1903 elevator that you can operate

Colorado State Capitol (Denver)

Cripple Creek District Museum (Cripple Creek)

Cripple Creek Heritage Center (Cripple Creek)

History Colorado Museum (Denver) — nicely arranged but shallow

Limon Heritage Museum (Limon)

Manitou Springs Cliff Dwellings (Manitou Springs) — reproductions of Native American cliff houses

St. Elmo — ghost town

Trinidad History Museum (Trinidad)