This floating sculpture of ice is a poignant reminder of nature's power.

Abandoned for over a century, this chilling train tunnel is now a destination for ghost hunters.

This unique, full-sized copy of the Bayeux Tapestry sports a few modern additions, including underwear.

This medieval cathedral houses stained-glass windows featuring saints and pretzels.

A beautiful 1920s tower filled with local hidden gems.

The spot where three Protestant clergymen were burned at the stake during the reign of "Bloody Mary."

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

This unassuming tree stump reportedly traces its roots to the famous pharaoh queen's reign.

A charming beach town in Turkey captures all the colors of the rainbow.

Old ships and machinery fill a historic harbor in the city that's home to Europe's largest port.

A series of three shiny letters mark the boundary of an old refuge for those being pursued by debt collectors.

The walls and streets of the ancient city are peppered with penises.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

One of Oxford's greatest treasures likely belonged to the legendary King Alfred the Great.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

A sublime medieval path adorns the marble floor of one of the most beautiful Gothic cathedrals in France.

A little-known museum of Ancient Roman and Ancient Greek artifacts.

One of its engravings is believed to be among the first representations of medical and surgical instruments.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

A measuring mishap led to these artificial stone ladies losing their stomachs.

An extraordinary collection of scientific instruments - and Einstein's chalkboard - inside the world's oldest purpose built museum building.

The compass on its front was a handy tool for 17th-century merchants who needed to know the direction of the wind.

The world’s first museum dedicated to the history of childhood opened in Edinburgh in 1955.

This crumbling medieval basilica once attracted pilgrims by the thousands to collect a miraculous dust that formed above the saint's tomb.