A stunning 18th century pharmacy and medieval chemist's collection.

Tucked away near more famous landmarks lies a statue meant to symbolize the confluence and continuing development of human culture.

Structure built from the skulls of vanquished foes.

A collection of items from a way of life that no longer exists.

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

This scale model of our solar system hid in plain sight for years before a physics team sought out all the planets.

Where the lovelorn find a home for their sentimental keepsakes.

On top of a resort town as old as the Bronze Age sits an incredible war memorial statue overlooking the beaches below.

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

A musical instrument played by the sea.

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

This exclusive resort has completely covered a tiny Balkan island in a 5-star warren of guest rooms.

An ethereal glowing blue ocean cave in Croatia.

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

These warring psychedelic crags commemorate an unsuccessful military operation.

Bridge that died in war and was resurected.

This surreal memorial/cemetery is a necropolis of crumbling stonework and puzzle-shaped headstones.

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

Oriental bazaar in the heart of Sarajevo.

The place where World War I began.

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

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

Poland's oldest surviving university building holds a wealth of historic science instruments including some used by Copernicus.

Polish luminaries and masterful folk art find sanctuary in this unique cemetery.