The bridge that cost Germany a World Heritage Site.

The country’s first escalator is located in department store filled with batiks and beautiful Indonesian products.

Art historians have debated the identity of this medieval stone rider since the 19th century.

While you wait to cross the street at a traffic light in Mainz, you might notice that the light is staring back at you.

Is this statue at Naumberg Cathedral the fairest of them all?

This building displays the scars of the “Dekemvriana,” a dark time in modern Greek history.

An iconic Soviet statue of working-class people.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

See no evil, hear no evil, speak no evil.

Home to the world's oldest wooden building.

This statue once earned the distinction as one of the "Three Major Disappointments of the World."

What once sat in the world’s spotlight is today a largely disused ghost complex.

These artifacts were discovered during the construction of the airport, with some dating back to the Neolithic period.

Europe's official "zero-level," the equator of elevation.

This massive monument honors the first human in space.

The world-record holder for the longest bridge stretching continuously over water.

The ancient heart of Tunis is an enormous maze of narrow streets and alleyways.

This gem is often wrongly overshadowed by the larger, newer Metropolis church in Athens.

A man's head is enshrined beneath a statue near the first building constructed for the modern Olympic Games.

This Japanese national treasure was originally built in 593.

Nine Gardens in one—with tea service.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

Moscow's imposing monument to the Space Age.