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

These pretty kitties killed and ate as many as 135 railway workers.

Former meatpacking facility turned vertical farm and sustainable business complex.

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

This museum celebrating the almighty dollar lets visitors literally stand in the shadow of a million bucks.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

This historic hotel invented the chocolate brownie.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

Nonprofit art center that promotes outsider, intuitive, and self-taught art.

The site of the first couple's first kiss is commemorated by the most adorable presidential monument ever.

A science teacher's dream.

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

A hollow cement depiction of time's inexorable effect on the human body.

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

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

A monument to the art of slicing people open.

A Bibliophile's Dream.

An antiquated German apothecary on Chicago's North Side.

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

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

A lush green oasis in the middle of Chicago.

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

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

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