These abandoned grain silos and tunnels are an urban exploration dream.

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

This awkward aquarium sculpture is one of the strangest statues in Chicago.

A goddess-topped water fountain in Chicago was created thanks to the dreams of a thirsty newsboy.

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

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

A journey begins with a single step, and for many, the road-trip of a lifetime started at this Chicago intersection.

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

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

Home to a protest movement, a bombing, and a dramatic change in labor history.

In 2004, a Dave Matthews Band tour bus dumped 800 pounds of waste off a bridge and onto an unsuspecting tour boat below.

A little-known subterranean street runs under some of the best-known buildings in Chicago's River North.

Illegal drag racing two stories beneath Chicago’s streets.

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.

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

G.V. Black, the Father of Modern Dentistry, keeps an eternal eye on Chicagoan’s teeth from his perch in Lincoln Park.

A monument to the art of slicing people open.

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

Honoring the star of the “The Bob Newhart Show” which took place in the city of Chicago in the 1970s.

A display of magnificent stained glass windows is the first exhibit of its kind.

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.