This cafe offers a curated collection of treats and tipples made by monks and nuns.

Barcelona's historic 19th-century sewers, whose foundations were laid in medieval times, are open to the public for exploring.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

This wrecked ghost ship has been rusting on a Greek beach since the 1980s.

The historic tower houses of this nearly abandoned Greek town have been compared to the spikes on an iguana's back.

Ruins of a 13th-century fortress perched above a breathtaking Mediterranean bay.

An abandoned Byzantine fortress and notorious prison.

An autonomous republic of Orthodox monks.

These ruins in Volvi were once at the intersection of the Eastern and Western Worlds.

The ruins of an abandoned medieval city where the last Byzantine emperor was crowned.

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

Monasteries on rock pillars, once accessible only by frayed ropes.

An Orwellian sculpture with eyeball cameras watches passersby.

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

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

What looks like a suicide in progress is actually a statue of Sigmund Freud.

Macabre astrological automaton clock dating to the late 1400s.

Two stunning 17th-century libraries and a cabinet of curiosities.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

Just like in Hollywood, Madrid has also a forgotten walk of fame.

Medieval ruins nestled within a breathtaking swath of Spanish nature.

This lucky bronze frog was gifted to Madrid by a casino.

Translating as "The Jump of the Girlfriend," this stunning waterfall has a tragic legend behind it.

A well-restored ancient archaeology site gives a real feel for life during the Roman age.