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

A haunted hill that supposedly defied gravity.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

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

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

In the remote high desert of New Mexico, a strange array of poles beckon fury from above.

Small museum packed with artifacts recovered by the man rumored to be the real-life inspiration for Indiana Jones.

A haunting statue called "Eternal Silence" has quite the reputation among visitors with active imaginations.

Tour the sci-fi-esque reality of governmental disease management.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

One man's ambition created this psychedelic log home.

A popular swimming hole that hides one of America's most deadly diving spots.

Pick up all of the cosmic knick-knacks under the sun or take a creative writing course, all offered in this novelty storefront.

This modern antique shop is a museum for 1980's Saturday morning cartoon culture.

Magical-looking cottages that inspired one of the most famous animated films ever.

A clear blue swimming hole with hidden caves, still unexplored.

The scuba diving training facility was named for the steam that rises from the cave's chimney.

A natural gas leak provides a flickering flame beneath a waterfall.

A picture-perfect town, perfect for blowing up.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

All that's left of the quintessential "cabin in the woods."

This charmingly homemade amusement park has been growing for 40 years.

This geothermal hot spring hides beneath a slowly growing mineral dome.