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

Portugal's National Pantheon has a history of curses, collapses and financial problems.

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 charming candle shop has been in business since 1789.

The world's oldest bookshop still in operation.

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

Thousands of well-dressed mummies below a monastery.

A quiet Sicilian village is home to a cafe that had an important role in "The Godfather."

According to Greek mythology, this natural spring is the home of a freshwater nymph.

Built on a medieval synagogue, this church has a burial crypt, tunnel system, and Jewish ritual bath hiding deep underneath.

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

Turntable anonymously received orphans, alms, and groceries.

Barça football fans might see the insignia hidden in a church window as a divine sign.

Founded as a refugee camp, now a popular tourist spot.

Every inch of this chapel is covered in craftsmanship from across the world.

A medieval wash house where people washed clothes in a river allegedly formed by the tears of a mourning nymph.

With a facade that measures just 107 centimeters, this five-story building is one of the skinniest in Europe.

This house's itty bitty size means no humans allowed.

The world's largest wooden structure.

Spain's largest bullring offers a unique glimpse at architecture and history.

This saltwater swimming pool, which is the last of its kind in the United States, is slowly crumbling within sight of multiple high-end beachside hotels.

This historic New Orleans cemetery is the final resting place of members of the Independent Order of Odd Fellows.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.