Macabre astrological automaton clock dating to the late 1400s.

One of the best-preserved Roman amphitheaters is still used today, but for less brutal events.

Where the lovelorn find a home for their sentimental keepsakes.

A musical instrument played by the sea.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

This tiny Bulgarian town offers a stunning location in the mountains and a storied history.

A striking symbol of the Bulgarian capital.

A Bulgarian monument to Russia's role in World War II is constantly being painted in pop culture protest.

The first mosque in the world to receive electricity.

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

The remains of the last Bosnian fortress to fall to the Ottomans are still standing.

Oriental bazaar in the heart of Sarajevo.

The place where World War I began.

There's a mini version of Iguazu Falls hidden in the Balkans, and it's got a rope swing.

This cluster of little wooden huts once ground local farmers’ wheat into flour during the days of the Austro-Hungarian Empire.

Bridge that died in war and was resurected.

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

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

This trio of Australian rock spires may have inspired aboriginal legend or just modern tourism.

A massive stairway that almost wasn't leads to one of Australia's most scenic vistas.

An unphotographable nightly march of tens of thousands of "fairy penguins" from sea to shore.

A conservation sanctuary for rescued koalas, some of which were saved from devastating Australian bushfires.

A colorful street named for the legendary Australian rock band.

A shrine built to combat the bad karma of a commercial venture.