A tropical paradise once home to space exploration and military installations.

In Bermuda, this formal naval residence has become a go-to for cliff-jumpers and hikers.

In one of the smallest countries in the world stands an original Salvador Dalí sculpture.

This historic electric train has operated with regularity since the early 1900s.

A contemporary art installation housed within a Gothic cathedral.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

This amazing example of Valencian Art Nouveau looks more like a cathedral than a public market.

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

Of the many chalices in the running for the Holy Grail, this one in Valencia Cathedral sure looks the part.

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

The final resting place of the great navigator, or maybe his brother.

This former charity hospital for elderly clergy houses some of Seville’s most treasured paintings.

The current seat of the Parliament of Andalusia was once the epicenter of the Great Plague of Seville.

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

Red, white, and blue painted steps along with a Union Jack celebrate the outcome of Gibraltar's 1967 referendum.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

The ancient heart of Tunis is an enormous maze of narrow streets and alleyways.

An ancient Phoenician citadel once stood at the site where Queen Dido first landed, according to legend.

This museum in the famously blue neighborhood of Sidi Bou Saïd showcases a traditional Tunisian lifestyle.

Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

The fishing boats that moor in this small lagoon enter and leave through a tunnel to the sea.

These temples are among the oldest free-standing stone buildings in the world.