This historic streetcar system has been running since the 19th-century.

Gustave Eiffel's masterpiece until the Eiffel Tower was built.

Dedicated to one of the author's most iconic works.

This enormous censer uses a pulley system installed over 400 years ago.

Giant granite sculptures representing family on the northern coast of Spain.

The oldest Roman lighthouse still in use.

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

The world's largest wooden structure.

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

Spanning the El Chorro gorge, this pathway used to be one of the most dangerous crossings in the world.

This Moorish fortress has guarded Málaga from the slopes of Gibralfaro hill for nearly a thousand years.

The gardens and chambers of this Moorish citadel conjure memories of the Alhambra.

A five-square-mile slice of Spain on the Mediterranean coast of North Africa.

At this faithfully preserved medina off the Moroccan tourist circuit you can walk through six centuries of history in one day.

Visit a surreal landscape so otherworldly NASA actually used it to train the Apollo 17 crew.

The chefs at El Diablo use heat generated by an active volcano to cook the food.

This beautifully verdant lagoon is tucked below a massive volcano in a crater atop a black pebble beach.

A stunning example of traditional salt production set against a dramatic volcanic landscape.

Memorial to the brave indigenous defenders of the Canary Islands.

Lava stone structures possibly dating back to the 19th century may have been a stopping point for voyagers between ancient Egypt and the Mayan Civilization.

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

This unique rock formation is quite the local celebrity, although one day it may come crashing down.

A pristine medieval church that was visited by Columbus before his travels to the Americas.

On La Gomera, "Silbadors" communicate in a 4,000-word language of whistles.