An eccentric park and pool.

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

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

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

Years of archaeology, just chillin' by the water cooler.

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

An avant garde art museum at the University of Chicago.

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

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

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

Elvis's own personal tropical hideaway.

Ever wanted to can Spam?

5,000 skulls in memorial to those killed by the Khmer Rouge.

Baroque celebration of the end of the Great Plague of Vienna.

Eighty million natural history specimens call this gargantuan museum home.

This bridge was constructed from the rubble of the infamous Bastille.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

The final resting place of the great navigator, or maybe his brother.

On the Pakistan-India border the militaries perform an elaborate theater of aggression each and every night.

Modest by day, illuminated majestically at sunset.

Once an indicator of social class, the color blue has come to define this city on the edge of the Thar Desert.

Every fall this lake mysteriously drains, like a bathtub with the plug pulled out.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.