A bas relief commemorates the "Nuns of the Battlefield" who cared for soldiers on both sides of the conflict.

Washington's iconic carousel has a nice piece of Civil Rights history.

The "lovely red Vega" of the legendary record-settling pilot.

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

The palatial McDonald's that inspired Wesley Willis.

The famous Beatle secretly visited this Illinois town several times to visit his sister.

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

A mythical bird etched into the face of a rock doubles as the mascot for a nearby school.

These chunky stone towers out in Lake Michigan are the key to Chicago’s drinking water.

This life-size bronze statue remembers the tallest recorded human in his Illinois hometown.

Man-made geyser that rises to the exact height of the Gateway Arch.

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

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

Quirky water tower advertises the long-gone Brooks Tomato Products Co.

Oversized statues are just the tip of this nostalgic Americana roadside attraction.

The mysterious white squirrels of this Illinois city are treated like sacred cows.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

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.

A monument to the art of slicing people open.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.