A submerged village appears when dam levels drop.

Local lore says the devil built this beautiful medieval bridge to help a fleeing bandit.

A stunning 18th-century site where pilgrims ascend by a series of punishing stairs only to return via funicular.

Picturesque intersection of witchcraft and ancient Christianity.

One of the few places in Portugal where the Celtic ritual of wearing large wooden masks is still practiced.

A unique seaside cave where Aleister Crowley faked his own death.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

An exquisite collection of fairytale conveyances that puts most car museums to shame.

The world's oldest bookshop still in operation.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

Catering to broken dolls for almost 200 years, this repair shop is now a charnel house of doll parts.

An early Portuguese serial killer's head is alarmingly well preserved in a jar at the University of Lisbon.

A garden in Lisbon filled with giant porcelain creatures.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

One of the largest Roman settlements in Portugal.

This crumbling Portuguese ruin overlooks the populace it once ruled.

The corpse bride of Portugal.

Pagan monument converted to Christianity with the population.

The medieval castle built as headquarters for the Pope's secretive Knights Templar.

This devil-dancing ceremony now celebrates a miraculous image of the Virgin Mary that appeared to a modern-day Robin Hood in a mineshaft.

Mountain of unimaginable riches that bankrolled the Spanish Empire, complete with its own underworld god.

The celebrity luchadores of La Paz are tough ladies in traditional petticoats and braids.

A mysterious ancient network of thousands of perfectly straight lines stretching across miles of Bolivian desert.

Museum dedicated to the sacred leaf of the Andes.