This giant urban staircase was built to keep the city's brave fighting men from getting waylaid in the red light district.

A pair of giant stone heads represent the ancient Roman saints beheaded here.

This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

This proud Teutonic warrior rises out of a German forest heralding a victory and measuring lightning.

Between Neo-Pagans and Neo-Nazis, these strange rock formations have a curious cult following and a very strange history.

A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.

Liechtenstein's royal family calls this medieval alpine castle home.

The oldest surviving wooden bridge over Rhine lets travelers cross easily from Switzerland to Liechtensten.

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.

In the hometown of the Catholic saint and Nobel Peace Prize winner, a memorial dedicated to her legacy.

See gorgeous frescoes at this modest Byzantine place of worship.

A musical instrument played by the sea.

This "floating railway" is one of the world's oldest monorail systems.

This painted Lego bridge is the product of over a century of locomotive history.

A whimsical bridge uses saxophones to pay tribute to two great men and the European Union.

The last bastion of Roman presence north of the Alps looms over a German town.

This village provides a glimpse at rural life in Northern Ireland during the mid-20th-century.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

The atmospheric road was never meant to be so creepy.

Northern Ireland's Brobdingnagian stepping stones.

Part modern art project, part traditional chapel, this see-through church is only substantial from the right angle.

This bike path was sunk below water level for maximum wonder.

This museum housed in a former brothel explores the past and present of sex work in Amsterdam.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.