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

A bloodstain from "the wound of the transverberation of the heart."

An eccentric park and pool.

Rifle through images of skyscrapers, Worlds Fairs, and more in the largest public postcard repository in America.

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

One of Chicago's last seafood smokehouses perfects a dying breed of fishcraft.

Where old school Polish Chicago and young hipster Chicago live side by side.

The 606 is a decade in the making.

One-of-a-kind preserved ruins of an abandoned 1880s church in Chicago's Pilsen neighborhood.

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

Cemetery featuring rare glass-fronted columbarium.

Chicago's North Park Village was once the largest municipal sanatorium in the country.

The world's only known button museum.

Pizza with a side of fine art.

A science teacher's dream.

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

The subtle science of a master molecular gastronomist.

A monument to the art of slicing people open.

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

A lush green oasis in the middle of Chicago.

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

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

The final resting place of one of Thomas Jefferson's formerly enslaved sons.

Before he was America’s most famous preservationist, John Muir was an ingenious mechanical inventor.