What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.

Giant granite rocks standing end-to-end like a train of circus elephants.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

Erosion and time have created a naturally-formed water park.

Hot Doug's "Hot Dog" Stand.

Despite its name, this fast food museum is actually a replica of the ninth McDonald's store.

The palatial McDonald's that inspired Wesley Willis.

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

Designed by Alfred Caldwel, this landscape showcases his vision of a native garden.

At the largest railway museum in the United States, you can see everything from an early steam engine to a functioning Thomas the Tank Engine.

The empty tomb that houses the memories of Roy Bertelli's revenge.

Landmark Chicago building narrowly avoided destruction.

Now nearly abandoned, Kaskaskia was once the capital of Illinois and one of the most important towns on the upper Mississippi.

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

Chicago’s incendiary role in the labor movement.

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

This house renovated by Frank Lloyd Wright was the centerpiece of a lavish 20th-century estate.

The last masonry skyscraper ever built reveals a transitional moment in architectural history.

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

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

A towering Art Deco movie palace made to look like a Mayan temple.

The original vault that held the president's remains still stands, empty, not far from where he was finally buried.

The original Garfield station is the oldest station facility on the "L", with the station house dating from 1892.

This titanic Catholic church in Chicago is also a refuge of the fictional cult-favorite wizard detective Harry Dresden.