All of Chicago's wood-paved streets are long gone but two alleys remain.

The largest interactive exhibition in the U.S. exploring human history through the lens of power, punishment, and psychology.

Kwanu'sila the Thunderbird has been silently watching over Chicago for more than 100 years (kind of).

In a quiet north Chicago neighborhood rests a stunning relic of the golden age of earthenware design.

The buildings around this DePaul University statue create an echo chamber for those standing in the center of the circle.

A beloved Chicago music venue offering cold beer and lots of “Friendly."

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

Also known as the Osaka Garden, this garden was originally built in 1893 as part of the World's Columbian Exposition.

A unique 3-D sculpture based on Rene Magritte’s “The Red Model.”

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

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

The second oldest Jewish cemetery in Cleveland was, despite its diminutive size, originally three separate burial grounds.

Inside this wonderland of weird, visitors are treated to a collection ranging from skeletons to haunted artifacts.

Featuring one of the most complete and original collections of Presidential memorabilia, this is the site of the last front porch presidential campaigns.

In this relatively flat state the highest point is an honored place.

This presidential tomb was not dedicated until years after Harding's death due to personal controversy.

This moving cemetery sphere is a slowly rolling stone.

Blink and you’ll miss it—the tiniest street in America packs a lot of charm into just a few steps.

An Ohio man paved the way for the future of American transportation.

An old brick section of the original Lincoln Highway in a quiet neighborhood outside of town.

A fountain full of 18 bronze-cast dogs, a cat, a pony, some birds, and a mystery apple, all because one guy and his golden retriever saw a photo online.

Eight sides, one incredible story — the Gregg-Crites Octagon House is one of Circleville's most fascinating architectural treasures.

This unassuming retro burger joint was billed as “diner of the future” at the 1939 World's Fair.

In the power of this waterfall, Alexander Hamilton saw the potential for industry.