Order cookies baked by cloistered nuns in a 400-year-old monastery.

An old, deep well, connected with a miraculous, divine rescue and the patron saint of Madrid.

Shrapnel, dynamite, bullets and Franco couldn't destroy this bust, rescued and kept hidden as a family secret for over 40 years.

One of Madrid's oldest trees, with a long and colorful history, resides in El Retiro Park.

A subterranean relic of the Spanish Civil War hides below this picturesque park.

Among the oldest structures in Madrid, these Moorish walls once guarded the medieval city of Mayrit.

The lengthy skeleton of one of the tallest Spaniards of all time is on display in Madrid.

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

Madrid's last horchata kiosk is a blue-and-white beacon of refreshment.

Near Birmingham, England three and a half miles of top-secret tunnels housed a World War II “shadow factory” and a Cold War nuclear bunker.

The steepest classic funicular in the world glides along a dizzying incline.

A series of modernist treehouse hotel rooms grace the outskirts of an Arctic forest.

This observatory within Europe's first dark sky park offers stunning views of the night sky.