World's second largest particle accelerator, where nature reveals its secrets.

The only Florida state park with publicly accessible caves.

The collection of 80+ pieces created between the years 1100 and 1500 is intended to be seen, heard, smelled, touched, and tasted.

Intertwined, interspecies trees which locals believe can grant boons to lovers.

A monument celebrating the idea of reaching inaccessible places.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A Circus legend leaves an unexpected endowment.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

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

Huge abstract sculptures of the Puerto Rican Flag.

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

Theater has had many different incarnations but has survived the ravages of time.

Illegal drag racing two stories beneath Chicago’s streets.

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

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

An avant garde art museum at the University of Chicago.

Cemetery featuring rare glass-fronted columbarium.

A display of magnificent stained glass windows is the first exhibit of its kind.

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

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

An enormous park-like oasis, full of famous Chicagoans' graves.

A monument to the art of slicing people open.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.