A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

This meticulously extracted nervous system allegedly came from a 19th-century custodian who donated her body to science.

This semi-spooky remnant of an abandoned hotel provides fantastic views.

One of the first commercially successful anthracite-powered iron-making operations in North America.

A rare view of a preserved Victorian science museum.

This dramatic rail curve was once the target of a failed Nazi attack.

An indoor miniature village and labor of love for Laurence Geiringer, a model railroad enthusiast.

A winding, cliffside stretch of road overlooking the Delaware River.

Over 100 concrete munitions bunkers are all that remain of a Pennsylvanian village seized by the US government.

This huge, disused viaduct is now a crumbling concrete underworld of covered in years of graffiti.

This jail which was in service for over a century is now open for curious visitors.

Buildings that dynamite couldn't bring down were abandoned because of bathroom issues.

It would take 35 firetrucks to fill this enormous glacial pothole.

The graffitied ruins stand hidden within the Pennsylvania woods.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

These 20-foot sculptures will help guide you from the local train station to the local sculpture garden.

A museum of anything and everything Stooge.

A park full of outsider art, created by college students studying outsider art.

The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

One man's lifelong obsession with death.

An outlandish shoe shaped house built by an eccentric millionaire.

An abandoned stretch of highway, deteriorating next to the operational one.

"Dark Sky Park" is heaven on Earth for astronomers, one of the rare U.S. locations with no artificial light pollution.