The library's graceful rotunda is like a bibliophile's temple.

It houses the remains of a 17th-century version of the Titanic.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

As part of an 800-year-old tradition, a man parades through town covered in a suit made out of spiky burrs.

This charming old building's loose connection with the Scottish Reformer is what saved it from demolition after it split apart.

This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

One man's remarkable private collection of art from around the world.

Hidden beneath a beautiful overlook you’ll find the history of the city depicted in comic strip format next to a pay toilet.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

A museum dedicated to one of Paris’s most famous residents, tucked into a corner of one of the city’s most famous squares.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Paris' linguistic guide to the international language of, yes, love.

This lesser-known Frank Gehry building houses a treasure trove of cinema history.

The approximate spot where the last Grand Master of the Knights Templar was put to death.

A Parisian boutique devoted to la Sape, the elegant Congolese fashion subculture rooted in European colonization.

Beggars were miraculously "cured" of their fake ailments when they returned home to this 17th century Paris slum each night.