Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.

The world's oldest bookshop still in operation.

A surprising and unconventional mosque hidden in the subsoil of Istanbul.

A darkly erotic open-air statuary in Catalonia.

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

An old wool-washing house filled with Fluxus contemporary art.

A strange anthropomorphic stele with a mysterious inscription that has never been deciphered.

Fragments of human bones are embedded in the walls of this quaint alley.

Disturbing winged beings decorate the walls of this strange abandoned hermitage.

You'll need a microscope to see some of the minuscule masterpieces in this modest museum.

Sample Spanish wines under frescoes in a historic monastery of "barefoot old men."

A bronze sculpture of a monkey sits outside this factory, which has made an anise-flavored liqueur for over 150 years.

Remnants of the rich history of fish salting in this ancient Mediterranean port town.

The extensive relics of an ancient Roman and Phoenician fish processing plant hide in a town park.

A network of hundreds of interconnected wineries in caves hides under the town center.

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

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

A small house in Tazones, completely covered in shells.

An enchanting monastery in the Spanish countryside appears lifted from a fantasy tale.

Moorish signal station on a stratgic rocky outcrop.

A Romanesque tower appears when water levels drop.

An ancient tower built during Roman times as a lookout post still stands to this day.

A modernist church in an ancient village.

Replica of Seville, Spains famous Giralda, a former minaret converted into a bell tower.