The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

A dark, dank room in subterranean Manhattan was the site of a ghastly murder.

This humble historic facade hides a history of boozing and the gentlemanly sport of rat-fighting.

There’s a secret bunker inside the Brooklyn Bridge, but the city won’t say where.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

Deep under Manhattan is the largest construction project in city history. So far, the project has taken the lives of 23 workers, or "a man a mile."

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

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

A Cajun-style Christmas on the river also involves sky-high pyres and explosives.

A typical "Old South" manor, once owned by author Anne Rice, served as the setting for several of her witchcraft sagas.

The restaurant keeps a hidden séance room on the second floor and reserves a table for the spirit of the former owner each night.

In 2010, Nicolas Cage purchased two plots in this cemetery using one to construct this strange pyramid mausoleum.

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

The LSU mascot lived on the college campus in one of the most impressive tiger habitats in the country.

Tucked away on a hilltop in the backwoods of Mississippi lies the remains of a blues legend.

The body of an unidentified woman, visible through a glass coffin, was discovered by accident.

A four-hour holy-rolling, Hallelujah-shouting, Southern gospel service, rendered as a country market where "All Is Welcome, Jews, and Gentiles."

Built by prisoners of war, the largest small-scale model ever built includes eight miles of tiny streams that now sit abandoned.

Jule Körner's house full of bizarre architectural details.

This bridge is haunted by the ghost of a distraught mother.

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.