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.”

An icon of the city, this chapel features an amazing dome ceiling and offers panoramic views.

These narrow stone granaries have been used to store and dry out grain for hundreds of years.

A submerged village appears when dam levels drop.

An abandoned mining complex in Serra do Gerês.

Local lore says the devil built this beautiful medieval bridge to help a fleeing bandit.

A stunning 18th-century site where pilgrims ascend by a series of punishing stairs only to return via funicular.

Iron Age runes and ruins hide in plain sight along this Portuguese beach.

An early work of the architect Álvaro Siza Vieira, these swimming pools blend into the beach.

These rock drawings in the Côa Valley also create an ancient optical illusion.

An 11th-century medieval castle cascades over the town of Numão.

One of the world’s longest pedestrian suspension bridges.

Nestled in the mountains of Portugal is a tiny village made almost entirely of schist.

A glacial valley filled with silver beech trees in the mountains of Portugal.

This enigmatic Roman tower lurks just outside Belmonte.

Houses are tucked between, on, and underneath giant boulders.

A windswept necropolis carved into the rocks overlooks the "most Portuguese town in Portugal."

The ancient sauropod tracks found in this former quarry are some of the largest in the world.

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

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

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

The verdant mossy ruins of a Franciscan monastery lie in the remote Sintra hills awaiting exploration.

In Portugal, a secluded stretch of untouched natural beauty hides at the bottom of a steep hill.