Once built to inspire young Soviet minds through astronomy, this dome now stands as a quiet relic of a vanished era.

A statue dedicated to the founders of communism.

This sign marks the entrance to a tiny proto-state within the small country of Moldova.

This oversized tribute to the nation's tiniest coin highlights the value of small contributions.

A bronze sculpture honoring a famous Serbian writer and a character from his novel.

This medieval manuscript collection has some of the most obscure and ancient texts in the world.

Unique Armenian monastery from the 13th century, reclaimed by nature but still welcoming visitors.

This often-missed monastery, set in a scenic mountain landscape, features unique frescoes, fortifications and legends.

Small church on top of a huge rock column.

These Stalin-era industrial 'death traps' hang lifeless above the city

An Art Nouveau gem hides beneath the layers of city grime obscuring this once-magnificent building.

This crucial gathering spot along the "hippie trail" still displays old notes between traveling beatniks and backpackers.

This family-owned canteen has been selling goat milk ice cream since 1933.

Public water fountains built during the Ottoman Era still stand throughout this seaside town.

This 200-meter-high waterfall marks the site of Achilles’ immortal baptism at the mouth of the River Styx.

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.

The bizarre rocks of Đavolja Varoš are the result of natural erosion.

Two distorted Romanesque columns hold aloft a mine cart in honor of laborers who died during WWII.

An unfinished Serbian Orthodox church with 1,389 golden crosses planned to represent the Battle of Kosovo.

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

A bright little alley in La Boca is a part of tango history.

A collection cataloguing one of the most brutal dictatorships in modern history.

Sometimes called the Banksy of Madrid, Muelle was a pioneer of street art in the Spanish city.

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.