The mysterious large white cross visible from the runway is a memorial to a massacre during Spanish Civil War.

The world's most elegant power lines.

This chest hospital with a dark, haunted past serves as a fitting set for horror films and a paradise for ghost hunters.

Geological storytelling.

This century-old ruined temple was reborn as "The Church of Skate."

This small and often-overlooked museum holds some of Spain's finest artistic treasures.

The earliest known map to show America, discovered by accident at a Paris bookshop.