This often-overlooked ocean walkway was once considered an impossible fantasy.

This local emblem is the oldest and largest dragon tree in the Canary Islands.

A whimsical garden of outsider art in the Spanish countryside.

A historic Christian shrine nestled within a spectacular natural cave.

This enchanting natural park is a magical example of a temperate rainforest in Europe.

An eccentric collection of antique items shares space with a prop-quality witchcraft museum.

A charming Spanish village sits atop this natural limestone overpass.

Hidden behind a wall, Spanish nuns distribute their signature sweets on a revolving tray.

A landscape decorated with enormous skull sculptures.

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

At the foot of a waterfall lies a peaceful swimming lagoon and evidence of over 60,000 years of human habitation.

An architect transformed this abandoned cement factory into his castle-like workshop.

Bacteria and algae give the salty water its bubblegum hue.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

This semi-secret storybook hedge maze is also the oldest garden in the city.

Entire apothecaries are on display at this Lisbon museum, which explores the history of medicine.

These small, triangular, colorful houses are a staple of Madeira Island.

This museum contains a vast array of puppets and marionettes from all over the world, featuring incredible works by Portuguese creators.

One of the few places in Portugal where the Celtic ritual of wearing large wooden masks is still practiced.

Europe's largest collection of matchbox designs is a fascinating exploration of the cultural history of the world.

A lush oasis full of vibrant plants and striking geometric displays.

Men in rubber-soled boots serve as your "brakes" on this toboggan ride Hemingway described as "exhilarating."

This unassuming chapel in Portugal plays host to a ghoulish collection of bones.

This crumbling Portuguese ruin overlooks the populace it once ruled.