Created hundreds of years ago, the magical follies and landscapes at this park were almost lost to time before being restored.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

Accessible only at low tide, the deserted island is dotted with World War II ruins.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

The ruins of a Duke's bucolic dream, where camels once roamed alongside "Dutch" windmills and faux-Italian vineyards.

An eccentric garden of sculptures crafted in India decorate an Irish green space dedicated to Alan Turing.

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

The glowing blue Nymphaeum of Emperor Tiberius.

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

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

Surreal riveted sea forts once protected the Kent shores from German attack.

An Oxford museum where visitors can have tea with the Mad Hatter and climb through the wardrobe to a fantasy land.

Spend the night in this formerly abandoned traditional Scottish village.

An ethereal glowing blue ocean cave in Croatia.

This Irish show cave is said to have been the site of a Viking massacre that claimed 1,000 lives.

Stalactites and stalagmites in a beautifully lit cave.

Thousands of exquisitely carved stone water storage wells, hundreds of stone steps fill this exquisite medieval stepwell.

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

At the crypt of St. Mary of Eulogies and the Dead you are left alone to ponder mortality among piles of skulls.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

This castle was established by the 4th Duke of Montrose and is connected to the Buchanan Clan.

Since 1874, this macabre collection has developed into a museum devoted to Scotland Yard's mementos of dastardly deeds.

The world's first underground farm is in a World War II bomb shelter beneath the streets of London.