A 30-year-old Sycamore tree grown from a seed taken to the moon and back.

A monument to the King's final show, complete with a time capsule.

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.

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 family driveway also serves as the highest point in Illinois.

A remote hill on a stretch of country road where the laws of physics are defied... or so it seems.

The only thing these street signs will help you navigate is your imagination.

Hidden away in the city of Madison, Wisconsin is a nearly forgotten home that Frank Lloyd Wright built for a childhood friend.

A renowned Civil War veteran, this Bald eagle now presides over the Wisconsin State Assembly.

A largely forgotten and touching neoclassical marble fountain overlooking a bear mound effigy.

A stone marker memorializes the spot where the King broke up a street fight with a classic karate stance.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.

This is not your typical jungle gym.

One of few surviving standpipe water towers in the U.S.

In the Compton Hill Reservoir Park sits a statue whose lack of clothing caused a scandal for the group that commissioned it.

A subterranean haunt where wine and homemade biscottis are always on the menu.

In the St. Francois Mountains in the Ozarks at 1,772 feet above sea level, Taum Sauk Mountain is the highest (and possibly oldest) peak in Missouri.

Exploring the past, present, and future of blues music.

Less a museum than a bizarre fantasy world created by artists and engineers.

One of the world's earliest skyscrapers.