Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

A quaint medieval millhouse hovers surprisingly above the waters of the Seine.

Cars mysteriously roll uphill on this street.

Nature's water park in the Wadi Bani Awf valley is full of pools flanked with cliffs and natural water slides.

A perfectly circular lake is formed by the crater of an ancient underwater volcano.

Art Deco and “Wrenaissance” mash-up, this recently restored royal residence has been home to kings and comes with secret monkey passages included.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

This "floating railway" is one of the world's oldest monorail systems.

The remains of a 37,000-year-old prehistoric society were discovered in this mammoth cave, one of the largest in Asia.

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

This scented city oasis was a labor of love.

European castle ruins in an American state park are actually the product of death and grief.

Read a book next to a Midtown waterfall.

Hell on Earth is actually a small town in Michigan where anyone can be mayor for a day.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

In the woods of New Jersey lie the ruins of a munitions village abandoned after World War I and the remnants of a 1920s wooden racetrack.

A psychedelic labyrinth on the San Francisco bay.

Beneath a Virginia City bar is the entrance to an abandoned gold mine.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

World's largest collection devoted to one fruit.

"Only the devil could play golf here."

The largest drain hole in the world.

The world's fifth tallest waterfall is a spectacular silver chute of water that cuts through the cloud forest in northern Peru.