The site where two doves fell in love.

The narrowest street in Paris.

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

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

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

A surrealist timepiece by the artist of melting clocks.

This demon atop the Notre-Dame de Paris looks utterly bored.

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

This bridge was constructed from the rubble of the infamous Bastille.

Does this church in Naples hold the true tomb of Vlad the Impaler, the notoriously cruel figure who inspired Bram Stoker's Dracula?

This medieval city gate is now a blend of the past and the modern world.

In a city that boasts four separate inclined cable railways, this is one of the busiest funicular lines in the world.

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

This museum is dedicated solely to this millennia-old handheld cooling device.

This bronze sculpture represents the helpless, hapless, and the damned who have passed through Piccadilly station since it opened in 1842

This haunted 17th-century pub was moved to a new city when it was already almost 300 years old.

Have a seat with the father of modern computing at this Manchester monument.

Over 70 independent businesses have set up shop in this former Victorian department store.

A giant wooden soda bottle pays homage to a distinctly British drink on the very spot where it was invented.

The fake World Cup prize was secretly created after the first one was stolen in 1966.

The city of Manchester quietly unveiled this tribute to a 19th-century massacre.

Be on the lookout for the symbolic insect all over the city.

The world's oldest continuously operating record shop has been in Cardiff since 1894.

The castle still holds traces of the abandoned Roman fort it was built atop.