The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

A misnamed well, with a deep dark past.

Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

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

A relic from the Industrial Revolution got a second life as a contemporary performing arts space.

A whimsical bridge adorned with decorative dragons.

This one-time health resort was used by aristocrats around the world.

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

The largest wine cellar in the world is a 150-mile network of underground caves near the capital of Moldova.

This abandoned Soviet circus is slowly being restored to its Communist-era glory.

When the Soviets destroyed the historic Armenian monastery they somehow left its bell tower intact.

Place with alleged mystical powers in Old Orthodox Church in Sarajevo.

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

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

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

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

Oriental bazaar in the heart of Sarajevo.

The place where World War I began.

Bridge that died in war and was resurected.

These mysterious ancient stone spheres were created by a civilization lost to time and are now mostly lawn ornaments.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

Climb to the top of the world's largest seated bronze Buddha.

Remnants of the most densely packed city in world history, that thrived on anarchy for 30 years.

The final resting place of 19th-century sailors previously banned from being buried within Portuguese Macau.