The unedited photograph called "Bliss" has graced the screens of over a billion computers.

Napa's oldest building is now a Mexican restaurant.

A hidden oasis just two minutes from downtown Atlanta.

The first integrated firehouse in Atlanta houses a museum on the history of desegregation in the city's fire department.

Unruly residents were housed in this one-person cell until the Black Maria arrived.

Commemorating the planting of trees by the Atlanta chapter of the Concatenated Order of Hoo-Hoo.

Tour the sci-fi-esque reality of governmental disease management.

Proceeds from this colorful teahouse in a historic Atlanta neighborhood directly fund women’s education in northeast India.

This Art-Deco movie palace is the oldest independent cinema in Atlanta.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

A space dedicated to contemporary art and culture, co-chaired by fashion icon Miuccia Prada.

A Milanese café entirely designed by the American director Wes Anderson.

A larger-than-life house of cards stands outside the house of a former fashion designer.

Before there were doorbells this bronze ear was installed for visitors to announce their arrival.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

The secret medieval communication system will whisk your words above the noise of the crowd.

Third time's a charm, or in this case, two testicles are.

This deconsecrated church has seen many uses, from a tobacco storehouse to a cinema.

Two stone columns flank the grand Venice square, but there were supposed to be three.

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

Go inside to really appreciate this 500-year-old technological masterpiece.

In the past, Renaissance sex workers were encouraged to entice customers on this bridge.

100 year tradition of fist fights, marked by marble footsteps.