An avant garde art museum at the University of Chicago.

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

A replica viking ship from the Chicago World's Fair is still in dry dock in an Illinois park.

One-of-a-kind preserved ruins of an abandoned 1880s church in Chicago's Pilsen neighborhood.

Where old school Polish Chicago and young hipster Chicago live side by side.

What was once the second largest steel mill in the US is now a sprawling complex of modern ruins.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

This grave in a ghost town cemetery marks the death of a witch on a day that never happened.

This overgrown Illinois water park offers a whole new type of adventure.

What may be America's largest classic video game arcade lurks inconspicuously in a Chicago suburb.

The beloved home to all publications indie, erotic, and punky.

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

Former hotel turned into haunted playground.

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

Former meatpacking facility turned vertical farm and sustainable business complex.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

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

River pirates, murderous bandits, and serial killers used this Illinois cave as their debauched hideout.

These abandoned grain silos and tunnels are an urban exploration dream.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

Pizza with a side of fine art.

Years of archaeology, just chillin' by the water cooler.

Chicago's museum dedicated to the history of bondage and fetishism is more textbook than titillation.