Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

The unbelievably opulent home built for an infamous newspaperman.

Most prolific publishing house in the 1600s open to the public.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

A cablecar-station-turned-revolving restaurant with 360-degree views of the Swiss skyline.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Follow the original medieval paths that wind through this intriguing section of the city.

Artists have long been drawn to these atmospheric 12th-century ruins.

A steep and winding road in the Yorkshire Dales passes by these deep natural potholes.

This enormous secondhand bookstore inside a Victorian train station sparked the "Keep Calm and Carry On" craze.

More stones than Stonehenge, all scattered within a windswept landscape sure to enchant 'Outlander' fans.

On a hill overlooking Loch Trool, a granite boulder marks the site where Robert the Bruce, King of Scotland, defeated an English army.

The highest peak in all of England is plagued by dangerously fickle climate shifts.

Stonehenge has nothing on Castlerigg’s views.

These remarkable cascades are the jewels of Upper Tees.

A beautiful medieval bridge allegedly constructed by the Devil.

This amazing trail among the many waterfalls around Ingleton has been enchanting visitors since 1885.

This incredible viaduct was part of the Victorian railway boom and helped the Midland Railway navigate tough terrain.

Harry Potter once visited this massive limestone cliff, which was carved by an ancient glacial river.

A long, winding trek rewards you with a gorge so captivating it inspired a painting in the Tate.

A dramatic sculpture high up in Yorkshire with vistas on an industrial scale.

This lovely little burbling creek is actually a deadly waterway that has dragged down everyone who ever set foot in it.