Northern Ireland's Brobdingnagian stepping stones.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

This gnarled old tree supposedly sprouted from seeds kept in the pocket of a 16th-century Spanish sailor.

The ruins of a once-grand mansion in Northern Ireland are now thought to be haunted.

It is said a heartbroken man visited the gap every day to stare blankly out at the sea.

These barriers stand as stark reminders of Northern Ireland's troubled past.

It was once nicknamed "the most bombed hotel in Europe."

A museum marks and documents the site of the Titanic's launch.

This Victorian-era public house has set the standard for pub-style elegance for over a hundred years.

The abandoned "Ghost Mansion" was left to decay in the mountains of Northern Italy.

The oldest and smallest cemetery in Paris is only open to the public twice a year.

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

Sacked by Vikings, blessed by William the Conqueror, dealt a fatal blow during the French Revolution—these ruins have seen it all.

A centuries-old complex of hand-dug stone chambers has sheltered locals in times of trouble.

The abandoned mine where American troops discovered a treasure trove of art and artifacts hidden by the Nazis.

Hindu temple of the dead home to hundreds of long-tailed macaques.

A small museum full of giant effigies of Bali's demons and monsters.

An abandoned hotel in the highlands of Bali is shrouded in stories of ghosts, curses, and corruption.

This solitary monastery may hold the remains of Vlad the Impaler (but probably not).

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

This secret collection of the strange and occult was rediscovered in a forgotten room of an old house.

A historic London cemetery now serves as a nature park incorporating gravestones & memorial statues.

A fantastic castle rumored to be the birthplace of King Arthur.