These rows of World War II-era bunkers were the scene of some of the infamous Mothman sightings.

The island that holds the world-record for largest human massacre caused by animals.

Sulphuric gases inhabit a beautiful Japanese island.

Amelia Earhart's possible place of death.

The ruins of a lighthouse on the island Amelia Earhart never reached.

The site of many battles and tragedies, including the 40 maidens who leapt into the sea.

A curious collection of mechanical moving figures.

Scotland's oldest medieval bridge is also among the last reminders of early medieval Aberdeen.

The remains of a 19th century spring, and the site of an infamous unsolved murder.

The blood-soaked ruins of the castle where the murderous Blood Countess was walled in alive.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

France's most famous cemetery, with some of its most curious tombs.

The stately remains of Llywelyn the Great's mighty fortress.

The remains of a grand castle that may have inspired Bram Stoker's Dracula.

This antique prison is a tourist attraction with a sordid past.

Neoclassical Revival mansion and set of horror cult classic Phantasm.

Eighteen miniature death-scene dioramas.

Disused penal colony features prisoner artwork, some sketched in human blood.

A botched 18th-century canal silenced one of Sweden's most magnificent waterfalls.

Fish raining from the sky are the cause of a yearly celebration in this small Honduran town.

A lake with hundreds of ancient skeletons surrounding it. The surprise is what killed them.

Spirits from these lakes are said to produce the local weather and odd phenomena as they bicker between themselves.

Sweden's first nuclear reactor, R1, can be visited 25 meters underground.

An impressive home made of stone, carved more than a century ago.