This home designed for chocolate magnate Antoni Amatller is an exquisite treasure-box of Catalan Modernism.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

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

This medieval Estonian tower provides access to a series of tunnels that have been home to soldiers, punks, and fine art.

Remnants of the Nazis' occupation of Denmark linger along the sand.

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

These enormous, stern-faced statues greet visitors with lanterns, and sometimes costumes.

This insurance company building reminds customers that witches, bears, and gnomes are out there, best be insured.

This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.

A unique sculpture calls the outside of this steakhouse home.

The Guardian of Tallinn.

The oldest continuously operating pharmacy in Europe.

The ancient heart of Tunis is an enormous maze of narrow streets and alleyways.

The secret centuries-old German cemetery in the heart of the Vatican.

Bell tower juts out from a village buried under a lake.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

A 1930s defensive fortification designed to protect Italy from a German invasion.

Visitors can tour this retired East German jetliner, and even get married inside.

A ghostly and forgotten art deco bathhouse by the windy shore of Dunkirk, weathered but still standing.

In the heart of Luxembourg's "little Switzerland" weaves a breathtaking natural sandstone canyon with a mythological past.

The former headquarters of history's oldest megacorporation.

One of Amsterdam's narrowest houses is located right across the canal from its widest.

The bronzed skull of a beheaded traitor was affixed to the city gate in the 17th century.

This statue of the great Argentinian car driver is located near a famous curve of the Monaco Grand Prix.