The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

Hot Doug's "Hot Dog" Stand.

The final resting place of up to 6,000 Confederate soldiers, the largest mass grave in the Western Hemisphere.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

A hot dog stand where the heads are just as hot as the dogs.

Home to a protest movement, a bombing, and a dramatic change in labor history.

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

A hollow cement depiction of time's inexorable effect on the human body.

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

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

This historic hotel invented the chocolate brownie.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

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

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

Illegal drag racing two stories beneath Chicago’s streets.

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

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

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

Years of archaeology, just chillin' by the water cooler.

A goddess-topped water fountain in Chicago was created thanks to the dreams of a thirsty newsboy.

In one Chicago park, a trio of werewolves are waiting to devour their fallen brethren.

Theater has had many different incarnations but has survived the ravages of time.

A strange and haunting monument of unknown origin in the historic Graceland Cemetery.

An enormous park-like oasis, full of famous Chicagoans' graves.