A theater sits abandoned on Roosevelt Road, once majestic in splendor, now majestic in decay.

The sign to a demolished amusement park now stands in front of a local library.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

A chance to follow in the footsteps of the word's most legendary animator.

The young Black revolutionary was killed before getting to see a non-segregated pool in his hometown.

A plaque marks a former safe house on the secret route, now hidden next to a McDonald's.

Chicago’s incendiary role in the labor movement.

Pumpkin-like gargoyles and grotesques peer down from the rooftop of this unassuming apartment building in Illinois.

The clothes-washing king doubles as a community center with some unusual features, including an aviary filled with finches.

One of the greatest boxers and humanitarians to ever live chose his hometown as his final resting place.

The former headquarters of a leader in the Mexican Revolution, and the site of an often-reproduced image.

The oldest continuously occupied public building in the United States.

The system of air guns are fired off remotely to scare any trespassing avians.

The Pentagon is so large that it was planned like a city, complete with internal highway infrastructure.

Sit where JFK proposed to Jackie or where Nixon dined on meatloaf at this storied pub.

The elevator that makes it possible to fly American flags in bulk over the U.S. Capitol

There’s a special club house at the top for the bell ringers.

Where the U.S. government kept its actual treasure, before Fort Knox.

A brass plaque dedicated to a convicted cannibal hangs in the National Press Club, and that's not even the craziest part of the story.

Largest magic museum in the United States with more than half a million pieces of memorabilia.

Everyone's invited to put on a miniature concert with this world-class musical wonder.

The 10-foot-tall vegetables belong to Michigan’s first food rescue program.

These gardens recreate unique and endangered Michigan habitats.

The Kalamazoo factory has 100 years of instrument-making, and one big wartime secret.