Planes, trains, and automobiles have all been sunk as attractions at this Illinois diving spot.

The carved remains of a 200-year-old oak tree memorialize the namesake of the iconic "Wizard of Oz" character.

Designed by Alfred Caldwel, this landscape showcases his vision of a native garden.

A sprawling outdoor museum filled with larger-than-life works of art.

A Japanese temple, old German townhouses, and public chess tables offer a peaceful escape from the bustle of the North Side.

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

Quirky water tower advertises the long-gone Brooks Tomato Products Co.

The mysterious white squirrels of this Illinois city are treated like sacred cows.

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

Oversized statues are just the tip of this nostalgic Americana roadside attraction.

This elaborate Hindu temple is located in a Chicago suburb, but looks like it was transported directly from India.

Assemble a masterpiece at the first and only North American school exclusively dedicated to mosaic art.

First planned industrial community in the United States.

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