Once known as the Illinois Asylum for the Incurable Insane.

Piled high inside this warehouse and coffee shop are salvaged goods that span every corner of the globe.

Two hula hoops appeared on the tree after a storm, and the collection kept growing.

An acoustic anomaly with a mysterious cause.

This hospital fell into ruins after failing to act as the advocate for the mentally ill it was designed to be.

Hidden deep within New Jersey Pine Barrens is a massive graffiti wonderland.

Originally built in 1869, this castle is currently part of Felician University's campus.

A "Bugseum" dedicated to all things insect-related resides behind a pest control company.

A historic grist mill and active sluice on the Black River.

Tucked behind New Jersey's abandoned Gingerbread Castle lie the eerie ruins of a once-flourishing paper mill.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

The remains of a century-old mansion that met a fiery demise years after it was deserted.

One man's lifelong obsession with death.

A recently abandoned psych ward at the end of Sanatorium Road.

This mosaic-covered bar is brimming with curated curios.

The only pig museum in the U.S. holds one of the world's largest collections of pig items.

A small town garden is dedicated to a psychic dog with the most soulful eyes.

This art deco masterpiece was once a miracle spring mecca but is now simply a government office building.

This 40-foot fowl marks the so-called "wild goose capital of the world."

Destroyed by flood waters, prison now serves as a training ground for armed forces.

The first rural cemetery west of the Mississippi is home to the elaborate tombs of St. Louis' local beer barons.

This majestic tree has survived 400 years of storms, droughts, and floods, and is a beloved natural landmark in Missouri.

An abandoned factory along the Mississippi coated by a giant mural.

The ruins of a 19th century shelter run by the Independent Order of Odd Fellows.