Defy gravity at this fascinating Pyrenees overlook platform.

With a facade that measures just 107 centimeters, this five-story building is one of the skinniest in Europe.

This house's itty bitty size means no humans allowed.

This amazing example of Valencian Art Nouveau looks more like a cathedral than a public market.

These fly sculptures are scattered around the city and represent the patron saint of Girona.

Kissing the ass of this stone lioness has become a rite of passage in the city of Girona.

Designed by Gustave Eiffel before his famed tower.

Village situated on a narrow volcanic escarpment.

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

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

The scorched Lisbon church that survived two earthquakes and a massive fire.

An enchanting landscape of ancient sandstone structures eroded into otherworldly shapes.

An ancient Roman theatre restored to its former glory in the Spanish city of Cartegena.

This 15th-century aqueduct with distinctive pointed arches was used for irrigation in the Vinalopó valley.

Down this yellow brick road, visitors are treated to toadstool houses and massive mushroom sculptures.

You'll need a microscope to see some of the minuscule masterpieces in this modest museum.

Continental Europe's only museum devoted to salt and pepper shakers features more than 20,000 designs.

The magnificent sanctuary is Spain's first purpose-built structure of its kind.

An underground passage originally constructed as an air-raid shelter during the Spanish Civil War.

A solitary lighthouse in Spain was an inspiration to the great Jules Verne.

Semi-mystical manmade towers of rocks decorate this rocky seaside.

Originally slated to become a luxurious resort, this structure is now a graffiti haunt reclaimed by nature.

Inside a former smuggler's cave, an artificial waterfall and light show.

The largest and best preserved necropolis in the Western Mediterranean.