Legend says train robbers stashed their gold within the depths of this unusual cave.

According to legend, after Hades pulled Persephone into the underworld, one of her attendant nymphs cried so much that her tears formed this spring.

Does this church in Naples hold the true tomb of Vlad the Impaler, the notoriously cruel figure who inspired Bram Stoker's Dracula?

In a crypt underneath this church lies a naturally mummified vicar whose story is surrounded by mystery.

A memorial to those who donated their bodies to science.

A professional special effects makeup artist’s collection of horror creatures and one-of-a-kind recreations on display in downtown Boulder City.

Northern Kentucky’s very own Notre Dame showcases intricate stained glass and the bones of saints.

A mummy and sarcophagus are part of the many wonders in this library's collection.

A CT scan revealed the identity of this 3,000-year-old mummy that everyone erroneously thought was female.

This macabre shop, filled with art, oddities, and taxidermy is hidden in the heart of the French Quarter.

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.

There are no bodies inside these stone coffins. And there never were.

A young state senator's deathbed plea to be buried inside a rock resulted in this unusual grave site.

This comprehensive collection features Native American artifacts dating back centuries.

The only Native American museum along the Oregon Trail, run by the peoples who have lived on the land for generations.

The largest single-building tribal cultural center in the U.S. is an expansive museum in Oklahoma City.

A museum dedicated to the dead and the tools used to usher them into the afterlife.

Long before ultrasounds and modern testing, medical specimens like these conjoined twins helped physicians learn about congenital anomalies.

A former infectious disease laboratory chronicles how tuberculosis shaped a village nestled in the Adirondacks.

A watchhouse constructed from tombstones, to make way for a burial pit, for the victims succumbing to a deadly disease.

Some of the specimens on display at the Leiden University Medical Center have been helping educate physicians since the 17th century.

This historic home and museum celebrates the life story of the female founder of the American Red Cross.

Two elaborately decorated "catacomb saints" are displayed on either side of the altar in a small church in Germany.