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

A lush indoor jungle fills this bustling Madrid transportation hub.

This Roman arena once played host to bloody gladiatorial battles.

Long tunnels run under the ancient chariot racing circuit to the tower.

Stunning Roman aqueduct used for 1900 years and still standing.

Perhaps the most spectacular grotto along the Algarve coastline.

Elaborate tile work in this railway station tells the story of Portugal.

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

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

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

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

This volcanic cave lake is essentially hard proof that Iceland is the most magical place on Earth.

On an island south of Iceland, a large volcanic rock formation resembles an elephant.

Europe’s most powerful hot spring supplies the surrounding region with hot water.

A bit of the Berlin Wall was gifted to the Icelandic capital to commemorate the 25th anniversary of German reunification.

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

A modern Nordic Pompeii on the Icelandic island of Heimaey.

Cairns built to bring travelers good luck stretch across the land like miniature stone mountains.

In Northeastern Iceland lies something of an oxymoron: a steaming desert.

This stunning concert hall has become a symbol of Iceland's national recovery.

This collection of unique liquids allows visitors to wander the waters of Iceland's glaciers.

The bright red stripes streaking across the rocks are the star feature at this Icelandic waterfall.