Also known as the Founding Church of Scientology.

The best place for scenic views of the DMZ and North Korea.

At the center of this cemetery stands a 2,000-year-old burial mound of the Adena culture.

Breathtaking and huge 430 year old maps of Italy.

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

Originally used to sell brandy, the bull-shaped billboard became an iconic symbol of Spain.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

The Cathedral of Salamanca has a number of unusual carvings but none so surprising as a modern astronaut.

A display of torture devices used in the Spanish Inquisition and other scourges of medieval Europe.

This ancient Spanish castle sits high upon a hilltop.

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

The final resting place of the great navigator, or maybe his brother.

A lush indoor jungle fills this bustling Madrid transportation hub.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

A fortress off the West coast of Portugal that dates back to 1502.

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

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

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

Home to three historic ships from the age of Vikings.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

A stunning Victorian abbey and walled garden on a lakefront.

A particularly disconcerting tribute to Irish martyrs.

The modern birthplace of Irish freedom.