The Latvian city of Ventspils is filled with dozens of cow statues showcasing unique themes.

A narrow strip of land is home to the tallest migrating dunes in Europe.

This fortress was designed to prevent a Nazi invasion but was never used.

An old Danish political institution where members of government can grab a drink off the record.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

A once-magnificent collegiate church is falling into ruin.

It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.

The world's first and only escalator for lazy bicycles and their daunted riders.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Dedicated to the European Sinti and Roma peoples murdered during the Holocaust.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

You can still walk across this beautiful medieval bridge in Andorra.

This little train station is forever immortalized in film history.

The first statue to be added to Saint Peter's Square in over 350 years is an ode to migrants and refugees around the world.

An ancient Roman temple first dedicated to an emperor's wife is now a church.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

The ornate miniature mansions were built for Istanbul's feathered residents.

The charmingly disheveled clock tower of Tbilisi's puppet theater.

A small but hugely whimsical theater where marionettes play out the "The Battle of Stalingrad."

With over 10,000 lights, this engineering marvel lights up the city after dark.

A cluster of historic bathhouses built on the famed hot springs that gave the Georgian capital its name.

At this rare mosque in Tbilisi, Sunni and Shia Muslims pray side by side.

Destruction from Armenia's 1988 earthquake inspired an artist's sculptures of scrap metal.