One of the few remaining relics of the meatpacking hub that made Chicago the "hog butcher to the world."

Illegal drag racing two stories beneath Chicago’s streets.

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

This urban drawbridge gained eternal pop culture fame when the Blues Brothers jumped it while it was raised.

This surprising gem is a world-class archeological museum hidden at the University of Chicago.

The final resting place of up to 6,000 Confederate soldiers, the largest mass grave in the Western Hemisphere.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

This modest post office sits on the site of H.H. Holmes' famous murder castle.

First planned industrial community in the United States.

Cemetery featuring rare glass-fronted columbarium.

This historic hotel invented the chocolate brownie.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

A science teacher's dream.

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.

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

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

The neighborhood of Eagle Rock is named after a gigantic boulder with a shadowy surprise.

The decor of this Hollywood movie palace just barely predated the opening of King Tut's tomb.

An iconic location along the Los Angeles River where countless movie scenes are filmed.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

Hollywood's oldest hotel is the site of the first Academy Awards, the birthplace of Marilyn Monroe's career, and the home of Montgomery Clift's ghost.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

World-famous, Pink's still manages to keep its prized cult fetish status.