Celebrated example of Ottoman architecture that also served as a site for brutal massacres.

This picturesque monastery at the base of a cliff is a peaceful oasis open to all visitors.

This top-secret nuclear bunker hidden in a Bosnian mountain has been converted to a modern art exhibition space.

Bridge that died in war and was resurected.

A UNESCO-protected spiritual seat of the Old Serbian Kingdom and Empire.

A whimsical bridge adorned with decorative dragons.

A beautiful drive through the foot of the Alps traces the path of 15th-century Turkish raids.

This small Slovenian town has become a magnet for microbreweries.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

A scenic UNESCO site that doubles as a habitat for various forms of wildlife.

The elliptical citadel resisted the advance of the mighty Ottomans several times, thanks to the military prowess of the "Dragon of Albania."

In this town's main square resides a statue of none other than the 43rd President of the United States.

A museum dedicated to secret surveillance.

One of the most photographed locations in the entire city.

Monasteries on rock pillars, once accessible only by frayed ropes.

Not your average art gallery, this massive center hosts 8,000 works from artists across Africa—and it’s free to the public.

Khmer Rouge's high security prison.

Once a black market electronics marketplace, now an otaku shopper's paradise.

The first location of the eventual video game giant.

This 14th-century temple is also known as the "Temple of the Golden Pavilion" for its gorgeous gilded reliquary hall.

This 700-year-old street food market features baby octopus and soy donuts.

The quintessential Japanese rock garden has existed for more than 500 years.

The 10,000 Torii shrine.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.