This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

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

Tucked among the sand dunes overlooking a Welsh beach, a real-life tribute to a fictional elf.

One of the largest Roman settlements in Portugal.

The world's oldest bookshop still in operation.

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.

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

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

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

Hidden beneath a beautiful overlook you’ll find the history of the city depicted in comic strip format next to a pay toilet.

Once used to protect important Roman trade routes.

A museum dedicated to a secret military hospital hidden beneath a castle in Budapest.

Cut into a sheer cliff face, these stairs are the only way to reach a secluded Scottish harbor.

After protestors toppled a statue of a 17th-century slave trader, the pedestal where it once stood remains unoccupied.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

Once the home of a hermetic monk, this cave now houses a small church.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

Museum dedicated to the terror regimes of Hungary.

This sculpture honors the man who was known as the "Righteous Among the Nations."

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

A diminutive statue that was inspired by the sculptor's own daughter.