A restaurant with an extensive Irish whiskey bar also has several first editions of famous works by Irish authors.

The house where the writer spent his formative years.

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

Site of a classic 19th-century physics experiment to prove the earth is rotating.

Egyptian Revival movie palace abandoned for decades and restored in 2013.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the 20th century.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

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

France's most famous cemetery, with some of its most curious tombs.

Throughout this shopping mall are medieval ruins that were discovered during the mall's construction.

A plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.

A mocking tribute to the past and modern leadership of Prague.

This doorless 20th-century elevator doesn't stop or slow down.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

The National Railway Museum in York is the largest railway museum in the world, attracting almost 1 million visitors per year.

Follow the original medieval paths that wind through this intriguing section of the city.

This amazing example of Valencian Art Nouveau looks more like a cathedral than a public market.

This Neolithic passage tomb forms part of a World Heritage Site.

This cemetery overlooking the Benbulben rock formation is the final resting place of one of Ireland's most beloved poets.

A stunning Victorian abbey and walled garden on a lakefront.

Ireland's most remarkable collection of these curious cone-shaped houses is worth the buzz.

Traveling this mountain pass reveals quaint stone buildings, stunning Irish scenery, and a bridge said to grant wishes.

This is the largest cemetery in Ireland and the first cemetery museum in the world.

The pockmarks across the building's facade are remnants of the Blitz.