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

These chunky stone towers out in Lake Michigan are the key to Chicago’s drinking water.

Not to be confused with the iconic New York City skyscraper, this Chicago building is a vibrant hub for artists.

This memorial plaque remembers a strangely shallow maritime disaster known as "Chicago's Titanic."

The 30,000-volume library is one of the world's most impressive poetry collections.

The iconic Chicago sculpture hides a beautiful and easily overlooked plaque on the backside.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

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

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

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

A gothic church spire sits atop this skyscraper, the tallest church in the world.

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

An antiquated German apothecary on Chicago's North Side.

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

A lush green oasis in the middle of Chicago.

A Bibliophile's Dream.

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

This shop for all your super spy needs hides an educational secret.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

The lecture hall where Alexander Graham Bell first demonstrated the long-distance phone call.

Palatial mansion estate used in films including "Flowers in the Attic" and "The Witches of Eastwick."

The only rotating bar in New Orleans has been slowly spinning since 1949.

The oldest living cultivated fruit tree in North America.

The oldest operational cathedral in the U.S. has one shell of a way of projecting speakers' voices.