One of the world’s most colorful cemeteries, where each pigment is symbolic.

A Bulgarian monument to Russia's role in World War II is constantly being painted in pop culture protest.

The cedar tree in Highgate Cemetery earned its title by accident.

The ancient mosaics here are considered among the finest in the world, and serve as a stunning record of Greco-Roman daily life.

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

Look closely and you’ll notice that the color changes a third of the way up the tower.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

Possibly the oldest church in Barcelona, this basilica has its pagan and Christian mythologies all mixed up.

A sweet symbol marks the place where torturous executions were once carried out.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

An small and easily overlooked archaeology museum chock full of Egyptian artifacts.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

An ancient necropolis of magnificent tombs.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

An imperial fortress city that incorporated cultural elements from the entire Mughal empire, only to be abandoned the year it was finished.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

A makeshift shrine to the late rock star is still kept up on the nondescript façade outside 1 Logan Place.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

Mirrors and glass shards cover every inch of this arrestingly beautiful mosque.