Nikola Tesla's ashes are held in a golden sphere, surrounded by his works.

Romania's "Red Ravine" is a little-known natural wonder that bears a resemblance to the Grand Canyon.

This fortress dates back to the 6th century and is also the site of a controversial abandoned restoration project.

One of the world's oldest olive trees, thought to be over 2,000 years old.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

This massive monument was unveiled the day Kosovo declared independence from Serbia.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

The video game-themed street art first popped up in the French city.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

When this Iron Age bog body was discovered in 1835, it was thought that she had died recently.

Mounds, rune stones, and a 1,000-year-old church, left behind by Denmark's first two kings.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

The sad remains of a monument to martial arts legend and movie star Bruce Lee—in the middle of Balkans.

This historic timepiece is thought to be the only public clock in the world that keeps lunar time.

This ironic war memorial thumbs its nose at a campaign of inedible humanitarian aid food products.

A number of craters left by fatal mortar strikes have been filled with red resin to remember those lost during the Siege of Sarajevo.

Inat Kuća, or "House of Spite," is more than just an oddly named restaurant.

A former bank seized as a sniper vantage point during the Bosnian War is now a secret graffiti art gallery.

Oriental bazaar in the heart of Sarajevo.

The place where World War I began.

This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.

Ho Chi Minh's perfectly preserved body has been on display here since 1975.

Monument to a brutal, ineffectual US bombing campaign and a sobering reminder of the human cost of the Vietnam War.

The spot where the two men ate together now stands enclosed in glass.