A subterranean playground in an abandoned slate mine.

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

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

Shakespeare, David Bowie, Dr. Who, the Saxons, Druids and Romans are all claimed to have all made their mark on these massive man made tunnels.

A modern English garden of eccentric beasts, follies, and oddities.

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

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

360° views of the city plus five floors of optical illusions and hands-on science.

These fantastically named natural pools look like something out of a Scottish myth.

A 30-acre garden inspired by the principles of modern physics.

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

The atmospheric road was never meant to be so creepy.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

Northern Ireland's Brobdingnagian stepping stones.

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

Hanging over one of Japan's "hidden valleys," these vine bridges must be remade every three years.

A condom-covered Thai restaurant that is more concerned with birth control than food.

The skeletons, demons, and corpses serve as a warning of the terrors of Buddhist Hell.

This Cambodian riverbed is covered in ancient Hindu carvings both above and below the waters.

Dedicated to improving the plight of the rare scaly anteater.

Vietnam's feral abandoned water park offers access to a post-apocalyptic funscape, now with fewer crocodiles.

A Surreal flight of architectural fancy in Vietnam's Central Highlands.