Traditional 11th-century outdoor tannery.

Thousands of narrow alleyways in an ancient medieval city make up what's believed to be the world's largest car-free urban zone.

An eerie former warehouse turned cistern turned movie set.

The other side is actually green.

A mythical garden that once grew the golden apples of wisdom is said to have existed in this ancient Moroccan city.

Mosaics, storks, and brothels—this ancient city has it all.

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

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

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

Half-sized replica of the Leaning Tower of Pisa built to honor Galileo.

Shop of curiosities with a dinosaur museum tucked in its basement.

This abstract sculpture is rumored to cast a hammer-and-sickle shadow once a year.

Pizza with a side of fine art.

An antiquated German apothecary on Chicago's North Side.

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

Hot Doug's "Hot Dog" Stand.

A beloved Chicago music venue offering cold beer and lots of “Friendly."

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

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

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

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

The iconic Chicago sculpture hides a beautiful and easily overlooked plaque on the backside.

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

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