A mining town once rife with murderous disputes over its copious treasures now creates income as a popular spot for photo shoots.

This unlicensed collection of fast-food memorabilia sits on the site of the first ever McDonald's restaurant.

One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

The longest continuous lava tube in Oregon.

The crumbling remains of a 19th century fortess.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Everyone remembers Laurie Strode from Halloween, but this is the house where most of the blood was shed.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The unbelievably opulent home built for an infamous newspaperman.

This permanent exhibition celebrates the finest of our heartless automatons both real and fictional.

The famed architect designed this Minnesota gas station of the future with a lookout tower.

Delightful disarray of found objects and clutter.

A Victorian mansion, painstakingly reproduced to appear just as the the Munster's family home did on TV.

The largest permanent Monopoly board makes one of the longest games even bigger.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

The lush coastal city of Astoria is riddled with forgotten secret sidewalks.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

This lake in the Cascades lives up to its name, disappearing down a hole every spring.

The final resting place of a space program monolith.

The programmatic glory of LA's giant whiskey barrel building has become an upscale reminder of the city's kitschy roadside past.

The eccentric mansion of one the most popular horror authors of modern times.

A 300-yard long natural tunnel runs through a ridge deep in the Appalachian Mountains.

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.