The ruins of a fifth-century church dedicated to Our Lady of the Harbor.

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

Legend holds that St. Paul was flogged for preaching Christianity at this pillar.

Beneath an ancient wishing tree lies an underground chapel with 12th-century frescoes and catacombs dedicated to a lady saint.

An ancient necropolis of magnificent tombs.

While most shipwrecks are submerged, this ship in Cyprus ran ashore.

Legend holds that the Ancient Greek goddess of love once bathed in the waters of this grotto.

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.

A musical instrument played by the sea.

Now harmless, this looming post struck fear into the heart of medieval troublemakers.

A favorite with sightseers, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

An enormous playhouse designed to look like 21 stacked Lego bricks, with another 25 million colorful Legos inside.

The original home of the Lego has a huge amusement park dedicated to the iconic plastic toy.

Hans Christian Andersen for the postmodern world.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

A hidden church in a hidden courtyard tells the story of the Miracle of Amsterdam.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

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

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

Dedicated to one of the author's most iconic works.

Men in rubber-soled boots serve as your "brakes" on this toboggan ride Hemingway described as "exhilarating."

A lush oasis full of vibrant plants and striking geometric displays.

A glimpse at Walt Disney's vision for a "community of tomorrow," in miniature.