Explore a real 19th-century lead and zinc mine at this immersive series of exhibits.

Entombed in this strange, white stone hill are the deadly remains of radioactive weapons production.

The remains of a bustling turn-of-the-century park built to showcase the wonders of electricity.

The site of a 19th century "dream city" that almost rivaled Chicago before being swallowed by the Indiana sand dunes.

The remains of a Rockefeller's lush Italianate estate hidden in the underbrush on the coast of Lake Michigan.

The city of Rockford, Illinois is symbolically protected by a quartet of fittingly stony sentinels.

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

One of the largest pieces of scientific equipment ever carried on a NASA space shuttle sits in a Chicago alley.

This modest post office sits on the site of H.H. Holmes' famous murder castle.

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

Once known as the Illinois Asylum for the Incurable Insane.

Home to the world's largest refracting telescope and the birthplace of modern astrophysics.

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

The final resting place of the world's first nuclear reactor.

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

A former atom smasher turned into an art gallery.

This historic hotel invented the chocolate brownie.

Home to a protest movement, a bombing, and a dramatic change in labor history.

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

A speakeasy takes on Chicago's drinking culture.

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

A chance to follow in the footsteps of the word's most legendary animator.

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

A haunting statue called "Eternal Silence" has quite the reputation among visitors with active imaginations.