A daily pyrotechnic celebration marks a beloved tradition during Valencia's festival season.

An accidental trick of light casts the perfect shadow of a pilgrim of the Camino de Santiago against the cathedral wall.

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

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

"Portugal's Stonehenge" is made up of nut-like stones aligned with the heavens.

Three columns of volcanic rock shoot out of the ocean.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

The once forbidden "secret cabinet" of erotic art from excavations of Pompeii and Herculaneum.

Ancient snack bar of the Roman Empire re-opened.

Erotic art covers the walls of the largest ancient pleasure palace.

Skulls from the plague of 1656 and World War II bombings are united by a cult dedicated to caring for the ancient dead.

These "anatomical machines" are only one of the many strange items in this Italian crypt.

An underground paleo-Christian burial site composed of the remains of several cemeteries and Basilicas.

Norway's oldest cathedral still in use.

At the very tippity-top of Europe is a cliff from which you can view the midnight sun.

Monuments don't get much more metal than these three giant viking swords planted in a Nordic hill.

Home to three historic ships from the age of Vikings.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

Housing the famous Norwegian ice-defying 19th century polar exploration ship.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

The design of this beautifully crafted building was inspired by Norwegian glaciers.

This funky former tobacco factory is one of the most striking examples of Madrid's cultural diversity.

Commonly acknowledged as the only public monument to the Devil himself.