Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.

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

Macabre astrological automaton clock dating to the late 1400s.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

Once the home of a hermetic monk, this cave now houses a small church.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

The "Prussian Versailles" that is as glorious today as when it was built.

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

An immersive projection art installation uses sound, scale, and light to take visitors inside classic works of art.

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

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

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.

The medieval center of the Islamic world was also once the seat of Saladin's sultanate.

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

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

A tribute to one of Bombay's former governors that has withstood the test of time.

Mumbai's angel.

An 18th-century fort in the business district of Mumbai.

A drinking water fountain in the heart of Mumbai, built by a father in memory of his son.

Constructed in 1923, this is one of several heritage drinking fountains across Mumbai.