Twice a year, this road is closed off to allow for the migration of thousands of snakes, reptiles and amphibians between cliffs and a swamp.

One of the largest carillons in the world, this giant instrument has 67 cast-iron bells played by a keyboard.

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

Built in 1869, this now-retired structure looks more like a medieval fortress than a county lock-up.

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

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

In the Shawnee National Forest, amazing rock formations peer through the treeline.

In the loving memory of a tragically deceased role-player this Illinois park is decked out with both dungeons and dragons.

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

The world's largest collection of the world's largest objects is in one small Illinois town.

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

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

This museum celebrating the almighty dollar lets visitors literally stand in the shadow of a million bucks.

This historic hotel invented the chocolate brownie.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

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

Charles Dickens described the concert room in this amazing Victorian hall as "the most perfect room in the world."

Pyramid shaped monument with a tall tale attached.

More than 5,000 contemporary and "historic" mustards from around the world.

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

The Liverpool street made famous by the Beatles is real.

The red letters in the literary pavement leading to the library form a mysterious code.

This neolithic stone grave has been altered and restored so often its now more neo than lithic.