Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

Tucked in a nondescript downtown Brooklyn mall is a bar containing a remarkable turn of the century anatomical wax collection last seen in 1920s Berlin.

One of only two remaining Victorian-era greenhouses in New York.

A mass grave for victims of one of the city’s worst fires.

A staggering collection of photographs depicting medical, social, and historical change.

The site of the deadly Triangle Shirtwaist Factory Fire.

An eccentric playboy's astounding natural history collection.

Tucked in the back of this amazing antique store is an important piece of medical history.

Every animal in the torah taxidermied and crammed into a Brooklyn townhouse.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

A hip bar decorated with walls of golden skulls.

Dilapidated Mayan-themed ballroom was one of Detroit's most popular venues through the 40s.

This empty Detroit high school was too expensive to maintain or destroy.

Abandoned concert venue legendary for its rock counterculture.

An ornate Detroit church, left empty and ravaged by time.

This Detroit ruin was once a gothic bastion of its community, but now it stands as a haunting ruin.

The concrete shell of an industry giant remains as a playground for graffiti artists, auto scrappers, and paintball warriors.

Opulent downtown movie theater now houses cars as an indoor parking garage.

These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

Glass and concrete building designed by Albert Kahn.

Thailand's tribute to the original "Siamese Twins" Chang and Eng, in the town the famous pair was born in.

An acoustic anomaly with a mysterious cause.

Mexico's astounding mummy museum with "the world's smallest mummy."

Once a year in Pomuch, the dead are taken out for a cleaning.