Relics given to a Manhattan church to avoid seizure by the Italian government.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

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

Free public park and gardens filled with peacocks and peahens.

Continuing the tradition of the dime museum in style.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

Turning night into day in Victorian-era Austin to thwart a serial killer.

Life's work of sculptor Elisabet Ney remains preserved in her last studio.

DIY collection of eclectic holdings.

A curious collection dedicated to human and animal anatomy and pathology.

Colorful and chaotic stacked hotel in North Holland.

One man's personal kunstkammer, museum and shop.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

Once the home of a hermetic monk, this cave now houses a small church.

A wunderkammer of gold and silver reliquaries and ancient saintly bones.

A Hungarian pharmacy museum with a box full of mummy powder.

The amazing wonder cabinets of a very rich Austrian archbishop.

Skeletons dressed in extravagant 18th century royal costumes cavort in the aisles of this German basilica.

The house that took a plunge into the facade of a museum.

Collection dedicated to funeral rites, equipment, and mourning rituals of the Viennese.

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

The mummified relics of an American missionary.

Beneath the mossy overgrowth covering this once-sprawling campus lies decades of history and the secrets that come with it.