A stratovolcano located in the south of Iceland, with a long history of charted activity and a rich mythology attached.

A cave network located at the southernmost tip of mainland Greece was once believed to be an entrance to Hades.

Where religious effigies, magic soaps, and occult candles are brought to customers at wholesale prices.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

The final resting place of New Orleans' most famous voodoo priestess.

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

An antique cemetery in New York, this land is home to any number of famed corpses.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

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

A winding, blood-red tunnel of hardened lava navigable by foot.

A bit of the Berlin Wall was gifted to the Icelandic capital to commemorate the 25th anniversary of German reunification.

This tiny museum's sizable collection is jammed into a former underground public toilet.

The oldest hall in Iceland was written of in the Sagas and features a centuries-old escape tunnel.

A trio of hidden hot tubs takes advantage of Iceland's natural geothermal vents.

The Arctic Circle runs through this isolated spot north of Iceland.

You can see three Irish counties from this Neolithic hillside fort, once the seat of the Kingdom of Ailech.

The world's toughest modern Christian pilgrimage leads directly to the gates of Hell.

The remains of this deep, dark mine have left behind a haunting rocky warren of tunnels.

This 30-foot pile of rocks may be the grave of a mythological Irish queen.

Achill's most recently abandoned village dates back to to the Age of Enlightenment.

Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

An 80-year-old plane tree is devouring an iron bench at Ireland's oldest law school.

The oldest public library in Ireland.