In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

Colorful murals by Jean Cocteau hide within this peaceful London sanctuary.

This coffee shop lies hidden beneath a historic church.

Museum about life, death, and cannibalism in the Stone Age.

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

A fantastic castle rumored to be the birthplace of King Arthur.

Britain's oldest and biggest hole in the ground.

A unique waterfall that some believe attracts the fairfolk.

The world's largest collection of witchcraft regalia.

A wonderful safe haven founded in the 1960s to rescue endangered monkeys from the pet trade.

The ruins of an 11th-century Norman castle with a rare, perfectly circular shape.

The largest greenhouse in the world is home to over one million types of plants.

A open air theatre built on a cliff by an eccentric British woman.

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

The excellent acoustics of this natural amphitheater made it a popular preaching spot for the founder of the Methodist Church.

The twists and turns of this serpentine maze are over 170 years old.

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.

One man's remarkable private collection of art from around the world.

Visible from both land and sea.

A micronation of epic proportions.

You'll find the little birds tucked within the rocks of this Australian beach.

Museum devoted to the artificial language of Esperanto.