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.

The massive machine creates cracking displays of indoor lightning.

One of the last remaining World War II Victory Gardens in the U.S. is quietly growing across from Fenway Park.

At the supposed instruction of Ben Franklin and Socrates, a Spiritualist believer intended to birth a mechanical messiah here.

Color-coded signs direct drivers on a network of routes designed to avoid Pittsburgh traffic.