The yawning maw of this pagan visage is said to bite off the hands of liars.

Ride the subways of yesteryear.

Peek through a transparent pyramid and drink in the mountain made of books.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

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

A church that bred legends, and served as an inspiration for the Da Vinci Code.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

Exotic feline breeding compound and conservation center.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

A 70-foot-deep ice cave formed by lava from Mt. Fuji on the edge of Japan's "Suicide Forest." 

The largest drain hole in the world.

The glowing blue Nymphaeum of Emperor Tiberius.

The underground sanctuary of a mysterious ancient cult.

A science teacher's dream.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

Where manatees are the snowbird vacationers in these balmy Florida springs.

Hidden in an Italian forest is a completely homemade amusement park that has taken a lifetime to create.

A hands-on traveling collection of the innovative devices of yesteryear.

Enjoy an overnight at an old haunted B&B site of the Borden family murders.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

This tangled English forest looks like something right out of a fairytale.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.