Visit the grave of America's most prominent paranormal investigators and self-proclaimed demonologists.

This mansion on an island off the coast of Georgia once belonged to a 108-year-old heiress.

Home to New Mexico's longest bar, this watering hole also has a mining museum and a haunted history.

Archaeological sites and great food inside the island's largest mangrove forest.

This beachside town is home to a diverse nature reserve, multiple cays, and one of the three bioluminescent bays in Puerto Rico.

The soulless eyes of 82 bronze children stare on forever in remembrance of a horrifying World War II massacre.

An atmospheric, medieval-themed book store hides in a 13th-century underground space.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

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

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

A grotto-like lodge decorated with gilded mosaics, rocks and a noisy waterfall was the setting for the most sumptuous pleasure house of 1900s Europe.

In the best of all possible worlds, everyone will get a chance to see this statue in which Voltaire's heart is interred.

This off-limits room in the National Library of France is home to a system of pneumatic tubes, once used to bring books to readers.

This ancient Spanish castle sits high upon a hilltop.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

This unassuming chapel in Portugal plays host to a ghoulish collection of bones.

Inside this McDonald's you can dine on your Big Mac and fries next to a 2,500-year-old Roman wall.

A chunk of the "true cross" is held in this small Portuguese church where modern day exorcisms are said to be common place.

This gaping hole in the middle of a remote mountain lake looks like a portal to another dimension.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

A naturally occurring amphitheater carved by erosion into the mountainside.

This architectural beauty is the home to a personal collection of more than 600 examples of mechanical musical instruments.