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

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

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.”

Christ's blood preserved in a Belgian town.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Hundreds of prehistoric stones, arranged in perfect lines in a French field.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

This ancient theater was once the home of fierce gladiatorial battles.

Thousands of flamingos and other bird species flourish in these Camargue wetlands.

Historic medieval fortified city in southwest France.

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

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

A towering monument in Spain has proven to be more labor-intensive than initially planned.

A lush indoor jungle fills this bustling Madrid transportation hub.

Single runway interrupted by a busy road that cuts across its middle.

This local emblem is the oldest and largest dragon tree in the Canary Islands.

According to the Guanches, the aboriginal people of the Canary Islands, the king of evil lives inside this volcano.

A tunnel with windows, so you don't miss out on the impressive views.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

The unbelievably opulent home built for an infamous newspaperman.