Illegal drag racing two stories beneath Chicago’s streets.

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

These pretty kitties killed and ate as many as 135 railway workers.

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

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

This historic hotel invented the chocolate brownie.

The final resting place of the world's first nuclear reactor.

What was once the second largest steel mill in the US is now a sprawling complex of modern ruins.

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

This 19th-century hotel and spa hosted famous guests like like the Vanderbilt family, William Waldorf Astor, Helen Keller, and Jay Gould.

What else would you call a playground hidden in Alabama's oldest and largest cemetery?

Bananas are often left for the first monkey America ever recovered alive after being launched into space.

A propulsion engine testbed that paved the way for the Space Shuttle launch sits without recognition at this rocket center.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

One person’s lost luggage is another person’s treasure.

This papier-mâché diorama celebrates an unusual landmark: the brightly-colored runoff from a local sock factory.

This 36-foot-tall bronze Lady Liberty holds a real flaming torch.

Founded by a man who called himself the greatest hunter alive.

The highest point in Alabama was almost completely deforested, but is now home to protected towers and trees.

Tucked away atop a quaint Alabama pharmacy is this tiny display of antique medical tools.

This small hut in the middle of a parking lot was once the wooded sanctuary of the 'Hermit of Montrose.'

This coastal port saw one of the most significant battles of the Civil War.

One of the best places in Florida to spot rare, carnivorous pitcher plants.

This highest peak in Idaho can only be reached by traversing a formation known as "Chicken-Out Ridge."