The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

These fantastically named natural pools look like something out of a Scottish myth.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

An opulent monument built for a duke who donated his entire fortune to the city of Geneva.

One of the longest wooden benches in the world snakes around Geneva's Treille Promenade.

The extravagance of Portugal’s "Pink Palace" resulted in a noble title being awarded to its owner.

This small chapel is built of human bones and decorated with a golden skeleton.

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

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

Mountain where Jesus was first tempted by the Devil.

This cemetery features modernist statues as strange as its name.

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

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

Construction of Barcelona's iconic (but controversial) church is expected to be 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 magnificent Art Deco church is a reflection of Lithuania’s turbulent history.

Ever-growing collection of devils in art.

Museum deep in the catacombs of St. Michael the Archangel Church is explored by touch, sound, and smell.

This controversial monument was designed to lionize the Red Army, but also disheartened the Latvian people.

The former Field Marshall and Minister of War to the Russian Imperial Army.

The statue of a legendary giant who carried Christ and shouldered the world's sins.

This charming Latvian lane doubled as Baker Street on the Soviet Union’s version of Sherlock Holmes.

The reconstruction of this prominent building fulfilled a long-written command.