The longest burning light bulb in the world.

Neither Spanish settlers nor anyone since has been able to tell who built these strange California rock walls.

A plaque and memorabilia collection mark where A&W got its start.

Historic home to one of the most famous women pioneers of the 19th century.

An abandoned cyanide mill is now a haunting magnet for graffiti and illegal parties.

The oldest hotel in Nevada.

A house built from trash known as the poor man's Hearst Castle.

Eat a tasty meal in the house where John Steinbeck was born.

An abandoned boat that's been stranded mysteriously for decades.

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

This concrete ship has had four careers - World War I tanker, floating amusement park, fishing pier, and artificial reef.

Eight huge lanterns lining a city street can change color on command.

For roadside fast food, pull over at the giant orange.

One of the oldest reform schools in the United States, home to wayward boys such as Merle Haggard, now abandoned.

The smallest country in the world.

This quirky roadside attraction dives into the many theories surrounding North America's most infamous hairy cryptid.

The rest of him lived another 61 years and was buried elsewhere.