A facility built in 1992 for an underground nuclear test remains in place today.

The three biggest silent film stars once shot iconic scenes here.

This vintage train once gave new meaning to “swimming upstream.”

Equipment used to mine silver and lead has been preserved in this almost-ghost town in northern Nye County.

The oldest attraction in Disneyland is a prehistoric stump that Walt may have bought for his wife.

The lead horse on a Disneyland merry-go-round that is older than the park itself.

This rest area is also home to a remarkable petroglyph site.

In the "Danish Capital of America," a replica of one of Copenhagen's most iconic buildings.

Volunteers spent years restoring a vintage steam locomotive to operating condition.

Deep vertical fissures like miniature slot canyons cut across the cemented volcanic rock of Black Point above Mono Lake.

A unique local art exhibit that has continued to grow since 1989.

Singing sand that stands as the final remains of an ancient lake.

This Old West eatery along America's Loneliest Road was originally a stop on the Pony Express.

The Wonder Road aka Doobie Lane, a mile-long strip of dirt road filled with folk art.

California's longest-running tourist attraction is a stump.

Home to a dizzying array of letterpress blocks with a rich history.

Historic home to one of the most famous women pioneers of the 19th century.

A breathtaking 19th-century trail overlooks Lake Tahoe.

An invitation-only museum of items natural and bizarre, arcane and exotic.

Deco Modern sculptures of the people of the Pacific, cast for the 1939 Golden Gate International Exposition.

Masterful ceramic fountain and map of the Pacific Basin.

An enormous artwork that colorfully celebrates over 150 years of US military achievements.

Guns that have been defending San Francisco since 1904.

A free, public museum dedicated to the fascinating science of sight.