These four islands right offshore have waterfalls, colorful lights, fancy buildings, and a secret purpose.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

A "haunted" landmark on the coast of Southern California.

A Swedenborgian glass church surrounded by redwoods sits perched atop a massive landslide area.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

The blinking light atop the iconic landmark has been sending secret messages for decades.

The space-age building is home to one of the few remaining rotating restaurants in America, and the only one that inspired a 1980s sitcom.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

This symbol of peace is appropriately positioned overlooking the Pacific Ocean.

The final resting place of a space program monolith.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

America's most famous piece of self-built architecture.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

The yawning maw of this pagan visage is said to bite off the hands of liars.

Limestone caves with spectacular showcase chambers.

Legend says train robbers stashed their gold within the depths of this unusual cave.

America's only nuclear missile silo open to the public.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

The world's largest military aircraft cemetery.

This southwestern historic site was designed and built by an artist who wanted his work to "feel at home."

A reproduction of earth's many biomes.

A motel dedicated to Southwestern nostalgia.