This former Indiana quarry has been transformed into a park and SCUBA site where divers can explore the drowned mining equipment.

This rock formation above the Wabash River is part of an ancient coral reef.

A former limestone quarry has found a new life as a flourishing community garden.

Indiana's oldest sternwheel paddleboat has been plying the placid waters of Webster Lake for 90 years.

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

Partially submerged Buddha heads freckle Chicago’s neighborhoods.

The last remnants of a lakeside airport that was bulldozed overnight by the mayor of Chicago.

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

A 19th-century horse lover's bequest led to the construction of this unique fountain in Chicago.

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

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

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

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

A one-armed veteran of the Battle of Waterloo lies in a cemetery for one in the middle of a Chicago scrapyard.

A relic of the Cold War in Chicago.