A rare underwater observatory in the Caribbean that provides breathtaking views of vibrantly colored aquatic life.

A 100-foot metal tower and swinging bridge that provides stunning views of mountains in five states.

Dine on ceviche tacos in the sea at this floating restaurant only accessible by boat.

The remnants of an abandoned, 19th-century gold mill along Aruba's rugged northeastern coast.

The largest collection of Frazetta originals in the world.

An allegedly haunted testament to a local businessman's desire for status, posterity, and charity.

The strip club's VIP lounge is actually a rare repurposed Futuro House.

Lines from a walking song are etched into a rock in Natural Bridge State Park.

This roadside attraction has been serving out its fair share of hearty folklore and chaos since 1858.

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

A vintage video game wonderland in downtown Reykjavik.

An alternate history park where the Union Army loses the war... to dinosaurs.

This recreation of a 19th-century dime museum is full of oddities.

A gazebo that inspired the fifth episode of the "Twilight Zone" still stands in the creator's hometown

This abandoned Poconos resort is haunted by a history of kitschy romance and a violent fugitive.

This bright yellow relic is the final survivor of a short burst of seashell-shaped petrol pumps.

Discovered by cows, these upstate New York show caves are presented with a healthy dose of psychedelic folk art.

Rumored to be the famed pirate's lookout tower, this historic stone structure is now just watching for tourists.

This park contains a number of standing stones meant to heal and inspire.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.