The world is full of swimming holes, but few compare to Samoa’s idyllic To Sua ocean trench.

The ruins of an ancient island city built atop a coral reef in the South Pacific are spectacular and strange enough to have inspired H.P. Lovecraft.

Isak Heartstone, a 15-foot wooden troll made out of recycled materials.

Hidden inside a gift shop that doubles as a museum, this gargantuan yo-yo can only be operated by crane.

"The Hoppiest Place in the World" holds the world’s largest collection of bunny memorabilia and is a singular testament of a couple's devotion to all things Leporidae.

The legend of a local monster still haunts this small town.

Climbing this abandoned railway leads to breathtaking vistas of O‘ahu.

Four-story concrete hotel never opened to customers.

These layered sandstone mountains in China look like they are made of pressed crayons.

A long, winding trek rewards you with a gorge so captivating it inspired a painting in the Tate.

The gathering point of an old Melbourne swimming club was site of a historic, world-record dive in 1918.

In the middle of a remote desert town is a surprisingly opulent hotel.

A hotel with a rich Wild West history of miners and bootleggers.

Kentucky's longest operating jail is now a spooky spot to spend the night.

Built in 1927, this pink stucco hotel once hosted stars of Hollywood’s silent movie era. Now it's being brought back to life.

A gas station has taken the place of the home of the 19th American President.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.