As the highest point in the Mid-Atlantic range this stratovolcano offers spectacular views.

The medieval town's star-shaped walls are geometrically dazzling, though not entirely impenetrable.

An exquisite collection of fairytale conveyances that puts most car museums to shame.

Located in the thermoelectric factory that once powered the entire city, this Portuguese museum is shockingly fascinating.

One of the largest Roman settlements in Portugal.

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

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.

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

The world's oldest bookshop still in operation.

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

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Every equinox this Maya pyramid puts on a spooky ancient light show.

Elevated freight railway turned wildly successful urban park.

A faux desert landscape in the middle of the jungle that sprouts oases during the rainy season.