A hollow cement depiction of time's inexorable effect on the human body.

This unauthorized stone mermaid was secretly carved out of public stone before being permanently preserved.

An antiquated German apothecary on Chicago's North Side.

A lush green oasis in the middle of Chicago.

This shop for all your super spy needs hides an educational secret.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

A monument to the art of slicing people open.

A speakeasy takes on Chicago's drinking culture.

Clusters of abandoned buildings hint at the facility's 144-year history with psychiatric health.

One of the largest underground systems runs under Canada's largest urban center.

This colorful creation wasn't always a welcome part of Toronto's Moccasin Trail Park.

The attic and basement house two museums stuffed with oddities like swallowed spoon handles and a shrunken head.

Connecticut sites linked to the only trial to ever use demonic possession as a criminal defense.

This abandoned psychiatric hospital once housed more than 4,000 patients in the middle of a quaint New England town.

These Benedictine nuns have been making artisanal cheeses since before it was cool.

A famed data visualizer's personal sculpture garden is a landscape of modern and megalithic wonders.

This museum remembers an apocalyptic cult that became more famous for baseball than religious radicalism.

The remains of a religious colony, its amusement park, zoo, and baseball empire.

A surviving remnant of the thick ice mass that once mantled most of Western Canada's mountains.

Few other hotels can rival the grandeur of the Castle in the Rockies.

The ruins of the "20-year town" lay out among the mountains of Alberta.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

This collection of Wild West movie memorabilia also claims to hold some secrets of the Lost Dutchman's mine.

A spiritual vortex among the red rocks in Sedona.