A unique home built by Andrew Jackson Caldwell that also served as a military hospital.

Eight rare Corvettes are swallowed up by a sinkhole in Kentucky's National Corvette Museum.

The world's longest known cave system.

When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

This twisty sign depicts the chain's first logo.

Inside this clubhouse is a cinephile's paradise.

The decor of this Hollywood movie palace just barely predated the opening of King Tut's tomb.

Hollywood's oldest hotel is the site of the first Academy Awards, the birthplace of Marilyn Monroe's career, and the home of Montgomery Clift's ghost.

This Hollywood dive houses a mural painted by the artists who animated its namesake film.

This centerpiece of the Hollywood & Highland shopping center is a recreation of a long-lost movie set.

This well-traveled chess park offers scenic views of the pacific and a colorful, eclectic clientele.

A Looff creation in Santa Monica best described as “a California-Byzantine-Moorish-style fantasy.”

An offbeat angle on the ocean viewed through an antiquated lens.

This star-studded Old Hollywood restaurant is where fettuccine Alfredo made its United States debut.

This opulent hotel has been visited by Spider-Man, Charlie's Angels, and the Ghostbusters.

Furniture tries to escape an abandoned building in San Francisco.

Once the largest windmill outside of Holland, with enormous 114 foot sails.

The humble home where the famous beat author lived briefly and wrote one of his most famous works.

The unique collection includes bronze cast handprints of some of America's most famous astronauts.

This abandoned NASA launch site is now a memorial to a trio of astronauts who were killed there.

A building so large that it has its own weather.

Electrical pylon in the shape of Disney's beloved mouse.

It should come as no surprise that the world's largest artichoke lies in the town that calls itself the "Artichoke Center of the World."

An ominous concrete cube cuts a dystopian silhouette atop this California mountain.