One of the last functioning antique elevators in Chicago.

This small, but long-running hobby club has built one of the largest model rail lines in the US.

A theater sits abandoned on Roosevelt Road, once majestic in splendor, now majestic in decay.

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

Cold War missile launch site which has been converted to a public park.

Made by a man on a worldwide sanitation crusade.

The evolution of recreational vehicles and motorhomes is on display in the “RV capital of the world."

A century-old network of freight tunnels underneath the city's historic business district.

The ruins of the suspension bridge hang over Kingsbury Run as a ghost of racial prejudice.

The clothes-washing king doubles as a community center with some unusual features, including an aviary filled with finches.

This historic Pittsburgh tennis complex is a rare example of natural red clay courts.

The world's largest squirrel statue clutches a pecan bigger than your head.

A 24-hour vending machine restocked daily with homemade full-sized pecan pies.

Berlin's beloved bear is immortalized at the Museum für Naturkunde.

The two writers famously didn't come to blows over the Oxford comma.

During the holidays, a vintage subway train whisks New Yorkers back in time.

Immortal combat in a Moscow museum.

The multinational Burger King chain is banned from operating within 20 miles of a family restaurant filed under the same name.

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

The heart of a Scottish legend had a centuries-long journey before reaching its final resting place.

Chicago was once a major hub of film production, but being silent film you don’t hear much about it.

Chicago's largest cemetery is full of beautiful Victorian monuments and more than a few ghost stories.

Landmark Chicago building narrowly avoided destruction.

The world's largest woodcarving collection includes dozens of Bible scenes and a wooden bestiary, all carved by one man.