Egyptian treasure trove of fossils documenting the whale's transition from land mammal to sea creature.

An endless sea of white conical domes.

A smoky doorway in Dakar leads to one of the city’s great communal eating experiences.

This oddly shaped church resembles a rocket.

Pagan monument converted to Christianity with the population.

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

Feast on buckets of garlicky snails.

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

Some 4,000 individual tiles make up this striking blue billboard from the golden age of air travel.

This Portuguese bullring is built right into the caldera of an island volcano.

This Gallo-Roman sanctuary is dedicated to Serápis, god of the underworld.

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

This impressive rupestrian engraving dates back to the Upper Palaeolithic period.

This tile-work piece featuring a chicken riding in carriage is both a remarkable artistic creation and a social commentary of politics and culture in 17th-century Portugal.

This glass skywalk offers vertiginous views down the volcanic cliffs to the beach below.

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

An ancient tomb that still stands in Portugal.

A fortress off the West coast of Portugal that dates back to 1502.

A neolithic tomb converted into a tiny chapel.

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

One of the world’s longest pedestrian suspension bridges.

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

A cluster of granite granaries perched on stilts.

A small but charming botanical garden that contains many exotic plant species.