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

This museum preserves the hand-dug tunnel that kept Sarajevo afloat during the Serbian siege.

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

This unique museum focuses on the Siege of Sarajevo through children's eyes.

Oriental bazaar in the heart of Sarajevo.

A monument on the pavement marks the spot where two cultures that shaped Sarajevo come together.

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

A unique interactive experience of everyday life in communist Yugoslavia—a very different time in Croatian history.

A full figure 4th century incorruptible saint lies in a glass coffin in Croatia.

Gargoyle head that brings good luck.

What happens when you cross a mayor and a painter?

Decorated with a staggering 1,380 ladybugs, the installation has turned what was once a grim, forgotten nickel mine into a landmark and a statement.

In the hometown of the Catholic saint and Nobel Peace Prize winner, a memorial dedicated to her legacy.

These abundant, over-the-top monuments are so widely scattered that they define the entire compact capital cityscape, often leading to jokes about whether there are more statues than residents.

Sofia's legislative center is continuously reinventing itself.

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

Romania's triumphal arch looks out over Bucharest.

This sculpture used famed boxer Joe Louis as the inspiration behind its body.

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

This snug medieval lane is one of the narrowest streets in the world.

A fire once nearly devoured this gorgeous 14th-century Gothic cathedral.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

This once-derelict building is now one of the most beautiful bookstores in the world.

This memorial to the victims of the Romanian Revolution of 1989 is often compared to a potato on a skewer.