Decommissioned NYC subway cars are dumped into the ocean to create this underwater wildlife habitat.

Bubbling up from deep underground is the warm crystal clear water that fills the Warm Springs Pools, America's oldest spa.

The eerie ruins of a remote abandoned hamlet said to be founded by the survivors of a shipwreck.

An eight-sided home built during a brief octagon craze in the 1850s.

A "hospital" where people went to be quarantined, die, and be buried in the yard.

The home of pigs, snakes, chameleons, and the alleged largest bunny in the United States.

Take an otherworldly journey in a school dedicated to out-of-body experiences.

Paranormal investigators claim this abandoned asylum is the most haunted spot in the eastern U.S.

The flower-shaped temple in Virginia aims to transcend the boundaries of the world’s religions.

Nine of the very few concrete ships ever made in the U.S. are beautifully decaying off a Virginia pier.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

Two hula hoops appeared on the tree after a storm, and the collection kept growing.

While there are no actual snakes in the history of this crooked road, there may be a number of dead horses.

For just a few bucks, this Iowa funicular will let you feel like an 1800s fat cat.

An old town theater converted into a celebration of the hobo legacy.

According to the legend, this strikingly beautiful hill has miraculous healing powers.

A unique botanical garden housed in three giant geodesic domes.

A curious sculpture garden and museum in Cochrane, Wisconsin.

Paranormal activity on the great lakes.

A house and yard adorned with bizarre concrete sculptures in a Milwaukee suburb.

Restaurant in Northern Wisconsin comes with a unique feature: a grassy roof covered in living goats.

A remote hill on a stretch of country road where the laws of physics are defied... or so it seems.

These molds for fiberglass statues have formed an eerie, accidental sculpture park.

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.