Sacked by Vikings, blessed by William the Conqueror, dealt a fatal blow during the French Revolution—these ruins have seen it all.

The opulent home that inspired Tintin's Marlinspike Hall and the adventures within.

The great Italian Renaissance painter was laid to rest here in the Chapel of Saint-Hubert.

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.

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

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

The secret medieval communication system will whisk your words above the noise of the crowd.

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

According to the Guanches, the aboriginal people of the Canary Islands, the king of evil lives inside this volcano.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

The oldest steel ship in Iceland has been beached for years and is now a rusting ruin.

This scenic Icelandic lava flow is named for a pair of Berserkers who were murdered, according to a famous Saga.

Outlaws, hot springs, and tragedy have all left their mark on this ancient road in the Icelandic highlands.

This tumultuous Icelandic lava field looks so alien European researchers want to use it as a stand-in for Mars.

The oldest church in Iceland is one of the few to feature ornate decoration.

These ominous lava formations were said to be an entrance to the netherworld so of course they inspired a famous metal band.

The most powerful waterfall in all of Europe.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

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

Rising from the sea like a stone monster.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Medicinal spa created with the discharge from a geothermal energy plant.