This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

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

This cave holds a surprisingly colorful variety of geological oddities.

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

The last remaining vestige of a popular 1999 public art display.

In 2004, a Dave Matthews Band tour bus dumped 800 pounds of waste off a bridge and onto an unsuspecting tour boat below.

It was originally part of a "terrible lizards" collection at the 1964 New York World’s Fair.

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

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

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

First planned industrial community in the United States.

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

A little-known subterranean street runs under some of the best-known buildings in Chicago's River North.

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

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

This historic hotel invented the chocolate brownie.

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

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

A local scoured more than 1,000 acres for stone to create his masterpiece.

The world's longest known cave system.

This abandoned neighborhood is now a park filled with beautiful trees, wildflowers, and hints of its past.

A careful eye can find hundreds of dinosaur tracks running along the Connecticut River.

This mysterious hill seems to pull objects uphill.

A burial site located in the middle of a road.