A marvel of Byzantine engineering under the streets of Istanbul.

A fountain standing as a testament to a doomed alliance.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

A tiny park in the middle of some big power politics.

Ancient serpentine sacrifice holder that has stood the test of time.

Huge abstract sculptures of the Puerto Rican Flag.

These chunky stone towers out in Lake Michigan are the key to Chicago’s drinking water.

Not to be confused with the iconic New York City skyscraper, this Chicago building is a vibrant hub for artists.

The beloved home to all publications indie, erotic, and punky.

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

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

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

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

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

To find the "unicorns of the deep" you've got to go downstairs.

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

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

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

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

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 bizarre house filled with an astounding array of collections.

This gigantic 18th-century gateway in Lucknow was built to provide relief and employment to the people during a famine

On the grounds of the famous Qutab Minar lies another unfinished tower meant to be twice as tall.