The mystery of the Putim Ossuary involves a tricorn hat.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

This ancient Roman prison is decorated with an upside-down cross not as blasphemy but as saintly tribute.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

An alchemist's "magic door" stands in the middle of a Roman park.

A dismembered holy head stares out from her beautiful reliquary at the St. Dominic Basilica.

The most metal church of all time was built in record time because of an international, pious pissing contest.

The ancient latrines of the Greeks, in all their public glory.

This famous archeological mystery may be an ancient example of movable type.

The last woman executed for witchcraft in Europe is remembered in this Swiss museum.

Carvings in Turkey's Marble Road may have directed ancient Romans to a hidden brothel.

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

A 19th-century shrine covered with prosthetic body parts as votive offerings.

A cemetery and the town it served sinks beneath the sea during the volcanic birth of Mt. Vulcan.

Established in 1853, this crumbling cemetery sits forgotten on the corner of Church and Chapel in Gold Country.

The first U.S. town to secede from the Union, only to vote themselves right back in.

The smallest country in the world.

An opal mining town in the middle of Australia where people live, worship, and shop underground.

America's smallest town is run by its single citizen/mayor/librarian/bartender.

Some of the earliest burial grounds of New York State are to be found hidden away in this quaint town.

Just a few miles from downtown Atlanta is a trail covered in a crazy collection of outsider art.

Decades after testing the polio vaccine on unwitting patients, this historic mental hospital sits in ruin.

The "Fun Spot of the Desert" is now a haunting ruin, and a reminder that putting a water park in a desert is a bad idea.

The largest necropolis in the Southern Hemisphere.