In Chicago, a pizza-enthusiast has opened a museum dedicated to the history of pizza.

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

What was once one of the country's largest confectionary plants is now an abandoned ruin, but is still pretty sweet.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

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

All of Chicago's wood-paved streets are long gone but two alleys remain.

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.

These mansions date back to Chicago's days as a brewer's paradise.

A speakeasy takes on Chicago's drinking culture.

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

A Bibliophile's Dream.

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

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

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

You can take a class, browse the library, or visit the lavish lair of an international men's humor society.

Built to house a chapter of the Knights Templar, this grandiose building is a relic of Freemasonry in Chicago a century ago.

An antiquated German apothecary on Chicago's North Side.

At the United Kingdom's only residential library you can sleep among the books.