California's oldest existing theater building hosted an impressive cast of celebrities, including hosting Mark Twain's first lecture.

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

Inspiration struck on this seat outside the Griffith Park merry-go-round.

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

A family agreed to sell their property to Disney on the condition that this tree, planted as a wedding gift, would not be removed.

Allegedly haunted by Walt Disney himself, this inconspicuous lamp is always kept lit in his honor.

Enormous crabs, bioluminescent jellies, and other amazing creatures from the ocean’s depths—some of which are in an aquarium for the first time ever.

These markers are used to document elevation changes around the famed dam.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

Here, visitors can swing with the waves of the Pacific Ocean.

Home to the "Circus" trees created by Axel Erlandson.

A New England-style lighthouse along California's beautiful Highway 1 gets a re-do.

One of the smallest towns in the United States.

The largest dinosaur trackway in North America is tucked away among this canyon's ghosts and archaeological gems.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

A small horde of mythical creatures lurk almost imperceptibly within the museum's wildlife dioramas.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

This spectacular track has run continuously since 1882.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

This cave was hidden for thousands of years, storing the worldly goods of ancient Native Americans.

Experience a charming 1930s version of "infotainment."

One of the largest Marian shrines on the West Coast stands rather unexpectedly in Silicon Valley.

One of the largest fleets of armored vehicles in the world, sitting out in the California desert.