Blue-green pools and smooth stones comprise one of Spain’s most idyllic hidden wonders.

A network of hundreds of interconnected wineries in caves hides under the town center.

For more than half a millennia, this automaton has rung an hourly bell.

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

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.

Two towns are linked by an engineering marvel masquerading as a boring suspension bridge.

This beautiful spit of land was once the summer playground of the king of Spain.

A spectacular walk on the flank of a gorge.

A wonderful collection of fossilized dinosaurs and other creatures that roamed the landscape millions of years ago.

This century-old ruined temple was reborn as "The Church of Skate."

The spectacular geological formations make it one of the most impressive caves in Europe.

An Antoni Gaudí masterpiece in Astorga.

This humble bench is considered the most beautiful in the world.

This panoramic lift provides a futuristic ride up San Pedro Mountain.

You can cross from one country to another in a single hop on this little bridge.

Considered the birthplace of the Copper Age and Bronze Age, the river is tinted red from 5,000 years of mining.

Perhaps the most spectacular grotto along the Algarve coastline.

An abandoned mine now resembles a post-apocalyptic landscape of derelict buildings and blood-red pools of water.

A garden in Lisbon filled with giant porcelain creatures.

One man's remarkable private collection of art from around the world.

In addition to showing films, this one-screen arthouse cinema from the late 1940s is a museum of old film equipment.

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.

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

Sip cherry liqueur at a bar dating back to 1840.