The grandiose interior of this bar speaks to its past as home to famous jewelers and railway offices.

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

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

To truly appreciate Detroit's landmark skyscraper, you have to step inside.

The city is full of whimsical portals to another world.

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

A local prank turned town icon.

This secluded walking trail is a hidden gem of a Pittsburgh park.

This public space is speckled with the eerie remnants of a defunct amusement park.

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

Mutant vegetables, transgenic mosquitos, and atomic rodents span the walls of this one-of-a-kind museum.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

An abandoned meat mecca now serves as an excellent locale for urban exploration.

This historic Illinois "Muffler Man" has been converted from axe-touting lumberjack to rocket-wielding space ace.

An abandoned observatory in the middle of the Illinois prairie.

A historic and oft-filmed prison stands in a Chicago suburb.

While he no longer has an eatery to give him context, this off-brand Paul Bunyan still holds his giant hot dog with pride.

Take a break from all the boring business of death at this funeral home mini-golf course.

A curious collection of miniatures in a quiet corner of the Chicago Children's Museum.

This overgrown Illinois water park offers a whole new type of adventure.

Former hotel turned into haunted playground.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.