This crumbling medieval basilica once attracted pilgrims by the thousands to collect a miraculous dust that formed above the saint's tomb.

The ancient latrines of the Greeks, in all their public glory.

A charming beach town in Turkey captures all the colors of the rainbow.

Taking the subway here means doing so over a bridge located in the middle of an estuary.

Climb a steep hill in 90 seconds on the second-oldest urban subway in the world.

Over the centuries, this island paradise has done it all, from providing monks with ecclesiastical respite to sheltering an exiled Leon Trotsky.

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

Massive galleon from a box-office bomb docked in Genoa.

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

A fascinating and enormous collection of natural history exhibits stained by a dark colonial legacy.

Climb inside an iron crystal magnified 165 billion times its normal size.

Theme park featuring miniature replicas of European monuments.

A shining memorial to a Belgian hero is said to bring luck to anyone who touches it.

A little sculpture with a large wardrobe.

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

This giant urban staircase was built to keep the city's brave fighting men from getting waylaid in the red light district.