A natural arch carved by a river gave its name to the so-called "Cave of Forgotten Dreams."

Avant garde house of Pierre Cardin on the Cote d’Azur.

A cave dwelling that was started by the Celts, expanded by monks, and finished by knights.

This salt marsh in Southern France is as pink as the flamingos that inhabit it.

This now abandoned restaurant provides some of the most amazing views of Lisboa.

This mansion oasis contains gardens, sculptures, and fountains just off the busy Plaça Kennedy in Sant Gervasi.

Barcelona's only remaining tram system takes riders to the Tibidabo funicular.

A living art gallery painted on a canvas of Monterey pine trees.

This former Baroque palace on the historic Calle Montcada is a rare architectural gem and was once the meeting place of an aristocratic scholarly society.

A temple to modernity, tucked away amid Barcelona's more well known museums.

The oldest giants in Catalonia are now displayed in a 14th-century Gothic church.

This tile-work piece featuring a chicken riding in carriage is both a remarkable artistic creation and a social commentary of politics and culture in 17th-century Portugal.

This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.

Little-known artist couple chose a former silk factory as the location for a museum dedicated to their work and other avant-garde art.

Hidden beneath a beautiful overlook you’ll find the history of the city depicted in comic strip format next to a pay toilet.

One of the smallest bookstores on the planet.

This once-forgotten oasis in the middle of Lisbon was first created over a century ago quite by accident.

A garden in Lisbon filled with giant porcelain creatures.

This precariously perched fortress was once ruled by a crow-worshipping baron.

Lombardy poplars planted to imitate the size and shape of the Cathedral of Notre-Dame de Reims.

A dream-like maze full of strange art, surreal spaces, and fantasy landscapes to get lost in.

A set of 27 bamboo tubes creates an eerie soundscape that changes with the wind.

A Netherlands hotel where you can sleep inside a wine barrel.

Pull up and have a drink at a museum filled with hundreds of years worth of shipwreck artifacts.