View one man's eccentric collection of nearly 5,000 corkscrews, then sip some Chablis.

This frog-themed restaurant was frequented by Picasso, Saint-Exupéry, and more.

This modernist bridge highlights the bear as a symbol of Madrid.

Touching the iron railings of Tarragona's balcony to the Mediterranean is said to bring good luck.

The world's largest single-aperture telescope resides in the Canary Islands.

An open-air museum showing how people on El Hierro lived from the time of the first settlers until the late 20th century.

The four landings commemorate a royal visit to Europe's biggest observatory.

This replica of Columbus's famous ship houses the history of La Palma's maritime importance during the Age of Exploration.

Behind this pair of dragon trees, there is a tragic story of lost love.

This house covered in small stones was the work of one man over the course of nearly 30 years.

Nature puts on a spectacular show at this blowhole on the eastern side of Gran Canaria.

The oldest operating roller coaster of its kind, the Montaña Suiza has been thrilling riders since 1928.

This impressive former palace contains a hidden gem for fans of modern sculpture.

A statue commemorating a beloved stray dog who was adopted by the entire neighborhood where he lived.

This rough experimental house was created by flooding a dirt hill with concrete.

An otherworldly art experience.

The legendary bathing site of a Moorish queen is actually part of a Roman fish farm.

Teeny tiny hotel on the coast of the Canary Islands.

A rocky face gazes out over an enormous volcanic crater.

The two massive guns that defended Cartagena Bay.

A road that winds through this natural cave is the only way to access the small, appropriately-named village of Cuevas.

The largest salt farm in the Canary Islands is located at the foot of an active volcano.

Possibly the oldest masonry dam in all of Europe.

Indigenous cultures believed all life would end if this enormous rock toppled.