The Cathedral of Salamanca has a number of unusual carvings but none so surprising as a modern astronaut.

The medieval town's star-shaped walls are geometrically dazzling, though not entirely impenetrable.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

Elaborate tile work in this railway station tells the story of Portugal.

Sip cherry liqueur at a bar dating back to 1840.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

This little-known national museum houses over 40,000 works of art from across the world.

Eat the ultimate iteration of Portugal's most beloved pastry.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

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

Denmark’s oldest bakery is home to the 'Wednesday Snail,' one of the best cinnamon rolls on the planet.

The only surviving piece of Copenhagen's 16th-century defensive wall.

This pair of gilded girls atop an Art Deco building in Copenhagen were built to function as a weather indicator.

Copenhagen's celebrated theme park and gardens.

This handsomely carved wooden church is more than 800 years old.

It houses the remains of a 17th-century version of the Titanic.

Sweden's "good old days" painstakingly re-created in a model village.

An ancient Viking runestone hidden in plain view in Stockholm's old town.

It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.