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

Back in the day everyone who was anyone played this historic western theater.

Beneath a Virginia City bar is the entrance to an abandoned gold mine.

Curiously, this large sporting goods store features 14 wax representations of American presidents.

Less a museum than a bizarre fantasy world created by artists and engineers.

A popular tourist cave with a dark past.

This massive redwood tree has a hole in the base big enough to drive through.

Quite simply the largest tree in the world (by volume).

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

Costumed elves and mountain bikers co-exist peacefully at this abandoned Christmas-themed adventure park.

Towering basalt columns, a creation of fire and ice.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

One woman's Viking Castle on Lake Tahoe.

The world's third-largest scale model of the planets.

The center of the only hemisphere that awards visitors with a commemorative coin.