A well drilled into the side of a cliff supplies most of the water consumed on the island of El Hierro.

The facade of this 16th-century building is decorated with carvings of 300 seashells.

A significant cache of prehistoric valuables is on display in an unassuming museum tucked inside a town hall.

1,300 chamber pots and their eccentric collector.

A surrealist labyrinth and museum of contemporary sculptures.

This influential Renaissance-era library was once the haunt of kings and monks.

In the fictional world of Kcymaerxthaere, celestial wonders marked a portal to a powerful route of travel at this site in Madrid, Spain.

Possibly the oldest church in Barcelona, this basilica has its pagan and Christian mythologies all mixed up.

An isolated village literally built into the crevices and rock formations of a mountain.

A Spanish forest is filled with mysterious stone carvings.

These magnificent city walls rise from the barren sun-baked Spanish plains like something straight out of a fairytale.

This former Baroque palace on the historic Calle Montcada is a rare architectural gem and was once the meeting place of an aristocratic scholarly society.

Week-long block party becomes a competition for the best decorated street.