This abandoned fort is said to be the most haunted place in India, so much so that entry is prohibited after sunset.

The ruins of an ancient island city built atop a coral reef in the South Pacific are spectacular and strange enough to have inspired H.P. Lovecraft.

Extraordinary sculpture garden created by an eccentric English poet.

An eerie, derelict amusement park in Berlin.

Natural cathedral designed by Italian artist Giuliano Mauri.

The remains of a town so thoroughly destroyed by French forces that the citizens simply left.

This Italian foot path winds through the mountains via 52 individual tunnels.

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

Living trees form the structure of an open-air palace.

A surrealist timepiece by the artist of melting clocks.

A village on the east coast of England that has almost completely eroded into the North Sea.

The Egyptian-inspired last resting place of Lord Kilmorey.

The final resting place to 300 Victorian-era pets hides inside the city park.

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

A historic arboretum and non-conformist, non-denominational park cemetery.

The sixth of London's "Magnificent Seven" cemeteries, and a source of unlikely inspiration to Beatrix Potter.

A Victorian park cemetery, standing on the site of what was once the Great North Wood.

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

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

Cat art as far as the eye can see.

A preserved dragon's rib that remembers the legend of the founding of the city of Atessa.

Rumored to be the famed pirate's lookout tower, this historic stone structure is now just watching for tourists.

The bomb-ravaged remains of of a colossal Neptune.

An Italian geologic wonder that served as the inspiration for the landscape of Dante's hell.