The video game-themed street art first popped up in the French city.

This modest marker near Notre Dame identifies the very center of Paris.

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

This 400-year-old tree is actually an immigrant from North America.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

There is a strange little carving of a person seemingly crushed by a pillar behind the remains of St. Thomas Aquinas.

A unique underground structure dating back to the 1st century BC.

The lost Latin words were reconstructed using the holes from the nails that once pinned them in place.

The most playful of the life-sized statues that make up Singapore's "People of the River."

This $62 million dollar temple was erected to house one little dental fragment of religious history.

This small building nestled along the Dove River is seen by some as the birthplace of angling as a sport.

The tradition of using flowers to decorate wells is once again thriving in England.

This mysterious hilltop collection of Druid carvings isn't quite what it seems.

This tower was constructed to commemorate the man who helped bring true democracy to the United Kingdom.

Legend says this little-known stone circle is formed from people petrified as punishment for dancing on the Sabbath.

Half-eaten food on display at an English café.

A 1930s Art Deco swimming pool with a design inspired by grand ocean liners.

The only place where can you share a seat with the bums of the Fab Four.

The original attack periscope from a 1940s navy submarine towers high at this memorial site.

Visible from both land and sea.

Instead of numerals, the unusual clock face spells out a memorial to a lost loved one.

A unique journey back in time to an early 20th-century fairground.

A strange anthropomorphic stele with a mysterious inscription that has never been deciphered.

Fragments of human bones are embedded in the walls of this quaint alley.