The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

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

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

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

A whimsical bridge adorned with decorative dragons.

This one-time health resort was used by aristocrats around the world.

A Serbian church lit by chandeliers made of weapons.

High in the clouds of San Marino sits an ancient tower with some curious prisoner graffiti.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.

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

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

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

One man's remarkable private collection of art from around the world.

The best place in the world to buy tinned fish.

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

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

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

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

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

In the summer, the area around this sculpture transforms into a vibrant concert venue.

After the famous composer died in Paris, his sister snuck his heart out of the country to honor his wish that it be buried in their native country.

The former Nazi Germany concentration camp stands as a museum to remember this dark chapter in European history.

An underground city of salt.