Inky sludge oozes to the surface of this beach thanks to a rare natural tar seep.

The longest burning light bulb in the world.

An Italian restaurant became a rock-and-roll hangout and the lair of the "Hollywood vampires."

Version of the French Riviera destroyed by the sea.

This sun-scorched lakebed contains samples of half the natural elements known to humankind.

Four hundred granite steps were built into this massive rock by the National Park Service.

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.

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

Abandoned hotel with adjacent lake and golf course.

This giant spider sculpture made from the iconic car is one giant visual pun.

Finally the worlds of UFO enthusiasts and beef jerky lovers have come together in this roadside shop.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

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

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

This rare tortoise skeleton has been hanging around the downtown Los Angeles museum for over a century.

The rusting remains of the largest assembled WWII fleet on the West Coast.

This stuffed pigeon of war had the very serious name "John Silver" until he lost a leg in battle.

The world's first aircraft factory has been hiding inside an automobile plant for almost 80 years.

The childhood home of the Wright Brothers in Dayton.

You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

A real flying saucer, contracted by the U.S. Air Force.

A building so large that it has its own weather.

Colorful Native American paintings are hidden within this small cavern.

Nursery with extensive collection of flesh-eating plants operated by the author of "The Savage Garden."