"Holy Wisdom" overlooks the city that became its namesake.

This building has two facades of clashing architectural designs.

A flamboyant five-story building in Bulgaria resembles a crawling snail.

According to a local legend, this old castle could only be built after a woman was immured in the walls.

Bronzes and busts that once stood in the city's main squares are now relegated to a small hidden courtyard.

What happens when you cross a mayor and a painter?

Once the fallout shelter of a dictator, this sprawling bunker is now a combined history museum and contemporary art gallery.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

A naturally beautiful, seemingly bottomless deep blue spring.

This ominous Albanian fortress houses tanks and downed planes as a reminder of their victories over Western imperialism.

See how paper is made the old-fashioned way.

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

A 11-foot former president stands on a Kosovo street that also bears his name.

A futuristic, brutalist masterpiece that is also strangely prison-like.

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

Many Hindus make the long pilgrimage to this holy city to have their remains burned on the banks of the Ganges River.

These medieval funerary monuments are now home to a colony of critically endangered vultures.

Temples adorned with intricate, erotic sculptures make up one of the "seven wonders" of India.

This ruined relic of the medieval city of Jahanpanah is a quiet oasis in the middle of New Delhi.

The roof of one of the world’s largest spice markets provides a grand view over the neighborhood's glorious bustle.

Delhi's oldest Christian cemetery is also said to be one of the most haunted in the region.

A favorite haunt of Delhi's politicos and intellectuals, this old-school coffee shop was shut down under Indira Gandhi's Emergency.

A startling, centuries-old subterranean marvel hides in plain sight.

This beautiful 16th-century necropolis marks an astonishing feat in heritage conservation.