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

The walls of this small village have been turned into a living street art gallery.

In Portugal, a secluded stretch of untouched natural beauty hides at the bottom of a steep hill.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

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

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

The world's oldest bookshop still in operation.

The verdant mossy ruins of a Franciscan monastery lie in the remote Sintra hills awaiting exploration.

In the Monastery of São Vicente resides a gallery devoted to a breathtaking collection of seashells.

Inside this unique festival hall, a slide leads guests down to a subterranean watering hole.

Shortest overhead power line in the world.

Sausages, schnitzel, and weiners.

The Tübingen University anatomical collection hosts an example of an extremely rare medical phenomenon.

This statue has a painful history, but activists have since recontextualized it as a way to educate visitors about the dangers posed by fascist regimes.

The narrowest street in the world is in danger of closing up entirely.

A striking 12th-century-style castle built on the edge of a cliff.

The world's tallest church tower reveals a spectacular view to anyone up to the task of climbing the daunting staircase.

For the holidays, the tallest broadcasting tower in the Netherlands turns into one of the world's tallest Christmas trees.

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

No need to strap in for a "ride" on this walkable roller coaster.

Twisted buildings adorn the banks of the Rhine river.

Rich with fauna and flora, nature-lovers can walk across the sea at this UNESCO World Heritage spot.