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

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

The largest prehistoric cemetery on the Balearic Islands dates back over 2,500 years.

This "flat geyser" bubbles up out of the ground periodically like a disappearing river.

This historical manor is complete with a magnificent garden.

This spectacular bridge is part of an abandoned train line that once connected Mallorcan capital to the southeastern coast.

Hidden behind a wall, Spanish nuns distribute their signature sweets on a revolving tray.

This amended headstone marks the grave of a participant in one of the most successful military deceptions of all time.

Considered the birthplace of the Copper Age and Bronze Age, the river is tinted red from 5,000 years of mining.

Its appearance in "Game of Thrones" may spur on the long-awaited restoration of this medieval shipyard.

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

A 16th-century Andalusian palace.

The world's largest wooden structure.

The Roman city was the birthplace of various emperors and is home to one of the empire's most impressive architectural feats.

Spain's stunning solar energy plant.

Former bridge turned into an observation tower.

An Orthodox church built by the Royal Family for the Russian community exiled to the French Riviera.

This massive blockhead sculpture hides an entire library.

A public park off the beaten path with a beautiful waterfall and 13th century Cistercian abbey.

A medieval military street hidden beneath a charming French fishing village.

Avant garde house of Pierre Cardin on the Cote d’Azur.

One architect's organic, human-centric design has been fully realized in this alien art house.

One of the largest ochre quarries in the world, hidden in a limestone landscape.

A wunderkammer of mysterious objects and stories.