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

The world's oldest bookshop still in operation.

Tucked away inside this concrete building is a church and its grand display of brutalist architecture.

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

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

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

The best place in the world to buy tinned fish.

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 old KLM airplane cut into three parts was transformed into an eclectic airport gift shop.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

These sculptures honor the knights who once called Carrickfergus Castle their stronghold.

The sculpture is made of more than 100,000 knives collected to raise awareness about violence.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

This eye-catching roundabout sculpture commemorates one of England's best World War II-era "shadow factories."

This clifftop arch is a natural stunner.

This monumental fountain has moved around the city multiple times.

Ancient snack bar of the Roman Empire re-opened.

Before it was buried by volcanic ash, this fast-food restaurant fed the hungry hordes of ancient Rome.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

This device was crucial to the Industrial Revolution development of Leeds.

The world's shortest funicular ferries beachgoers a whopping 128 feet from clifftop to shore.

This commemorative stone was erected near the first Scout campsite.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.