One of Los Angeles's first murals once vibrantly depicted the dangers of United States imperialism.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

The legendary building that needed ghostly approval before being built.

Historic funicular railway, believed to be the shortest railroad in the world.

A private Las Vegas horse ranch adorned with whimsical artwork.

California's oldest wind harp represents a historic piece of America's Danish history.

Honoring the famed folktale author, this California museum looks like it belongs in the Black Forest.

One man's ambition created this psychedelic log home.

A quirky bookstore hidden beneath a sea of whitewashed Greek villas.

Ancient snack bar of the Roman Empire re-opened.

Erotic art covers the walls of the largest ancient pleasure palace.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

The walls and streets of the ancient city are peppered with penises.

This amazingly well-preserved villa just outside Pompeii boasts rare examples of ancient Roman paintings.

The southernmost point in the United States is a beautiful place to look at but a deadly place to wade in.

This legendary urban waterfall creates a dazzling display of rainbows.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

Fake rail crossings mark the site of an influential doctor's demise.

Named after a bandit and the star of several Hollywood prehistoric landscapes, these sandstone formations are a historical part of the Los Angeles natural landscape.

The remnants of a failed socialist commune can still be found just off a California highway.

A heartwarming message to those entering and departing Music City from above.

A restored, one-room African-American schoolhouse in the diva's hometown now preserves the legacy of its most famous student.

Elvis's own personal tropical hideaway.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.