Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

The Bong-area park police have asked visitors to please, stop stealing the signs.

143 feet of leaping muskie whose mouth can be used as a wedding venue.

A bypass decorated with large wooden troll carvings.

The spaceship-like theater, which is still in use, was one of the most popular exhibits at the 1964 New York World's Fair.

This supper-club-turned-concert-venue still serves drinks at its original rotating bar.

According to the legend, this strikingly beautiful hill has miraculous healing powers.

This striking art museum holds an amazing series of curiosity cabinets.

A unique botanical garden housed in three giant geodesic domes.

A place to eat for on-the-run agents and espionage enthusiasts.

Wisconsin's most celebrated export gets the royal treatment on I-94.

This cave holds a surprisingly colorful variety of geological oddities.

Robots, lasers, and whoopee cushions, oh my!

A bizarre house filled with an astounding array of collections.

The Reagan Peace Garden at Eureka College features a chunk of the Berlin Wall.

After an Illinois church was struck by lightning and burned down, Frank Lloyd Wright designed this replacement.

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

A journey begins with a single step, and for many, the road-trip of a lifetime started at this Chicago intersection.

Landmark Chicago building narrowly avoided destruction.

A tribute to one granddaughter's old apartment which now represents the whims of each visitor.

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

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

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

This historic Illinois "Muffler Man" has been converted from axe-touting lumberjack to rocket-wielding space ace.