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

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

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

This series of Scottish caves has no clear purpose other than baffling historians.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

The curios of pharmacist and collector Henry Wellcome.

Northern Ireland's Brobdingnagian stepping stones.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

Cascading waterfalls mark the gateway to the ancient burial place of Clan Macnab.

The oldest natural aquarium in the United Kingdom.

Though difficult to access, this stunning cave has a place in Scotland's poetic history.

This waterfall is one of the most spectacular natural features in the Scottish Lowlands.

This 20-foot mountain is made up of some 15,000 mannequins—if you visit, you can even take a piece home with you.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

On this stunning Scottish island, you can walk in the footsteps of dinosaurs.

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

Monty Python fans will recognize this abandoned mine as the Cave of the Killer Rabbit of Caerbannog.