The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

The remnants of a wooden-hulled fleet built and abandoned in WWI, now home to a thriving ecosystem.

A former major munitions plant that has been converted into a sprawling art space.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

The site of the climactic scene from the classic horror film is now a historic landmark.

The trials and tribulations of marking Poe’s grave.

A hidden alley in urban Baltimore is a haven for graffiti artists.

At the top of the hour, this steam-powered clock's eight brass whistles play "Back Home Again in Indiana."

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

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

To find the "unicorns of the deep" you've got to go downstairs.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

A display of magnificent stained glass windows is the first exhibit of its kind.

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

The site of a 19th century "dream city" that almost rivaled Chicago before being swallowed by the Indiana sand dunes.