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

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

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

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.

Atop this former dutch railway office sits an interstellar work of art.

Old ships and machinery fill a historic harbor in the city that's home to Europe's largest port.

This giant wire frame man sculpture is crouched in contemplation.

Made of 41,900 pieces of mosaic, it took two years to piece together this giant egg.

This large sand dune in the Netherlands is home to wind-whipped trees with "floating" roots.

It appears as if a man is standing behind this giant airport clock, painting the hands in real time.

This Netherlands museum holds a gloriously mechanical collection of ornate musical automata.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

This 22-floor tower's Skydeck offers panoramic views of Amsterdam.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

Installed in an act of one-upsmanship, the annual sundial in this church is also a symbolic victory for the Gregorian calendar.

Five candy-colored villages on the Italian Riviera.

Sitting on an Italian hilltop is this surreal fortress built by the mad inventor of electrohomeopathy.

The glowing blue Nymphaeum of Emperor Tiberius.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

Brass cobblestones mark the places where individual Holocaust victims were taken from their homes.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

The yawning maw of this pagan visage is said to bite off the hands of liars.