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

This foolish Victorian sea fort was converted to a deluxe hotel.

A man-made island fort that has housed soldiers, scientists, and ravers.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

Fighting the British and making game shows for over 150 years.

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

A castle-like sea fort from the 17th century is now a museum to oyster farming.

Everything you always wanted to know about borates is here.

A careful eye can find hundreds of dinosaur tracks running along the Connecticut River.

Mysterious Incan ruins on a tiny island in Lake Titicaca.

This abandoned convent keeps the tomb of a legendary beheaded princess.

This marine reptile was discovered by one of the 19th century's greatest fossil hunters.

This site is both a remarkable reminder of the town's mining history and a fantastic government blooper.

More than 100 Hindu temples are slowly being swallowed by the forest.

This prehistoric figurine is the oldest known realistic depiction of a human face.

These ancient sea caves hold Britain's highest concentration of Pictish rock carvings.

This macabre painting of a Shakespearean scene looks like something out of a nightmare.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

The fantastic charm of England's oldest botanical garden has made it a place of writerly inspiration for centuries.

A relic from one of London's worst 19th-century slums.

The best preserved Paleochristian basilica in Rome hides a number of oddities and secrets.

This house was largely built out of hundreds of thousands of discarded glass embalming fluid bottles.

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

The site of the first "historically true" UFO encounter in the U.S.