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

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

The best place in the world to buy tinned fish.

The United Kingdom's smallest working cathedral also serves as a quaint bed and breakfast.

The world's spiciest ice cream comes from Glasgow.

This beach runway is off limits during high tide.

A serene public space nestled within the remains of Glasgow’s Victorian maternity hospital

The last manually operated turntable ferry in the world.

A secret door leads to this cozy dive that sells only “milk.”

Scotland's oldest medieval bridge is also among the last reminders of early medieval Aberdeen.

Overlooking a Scottish loch, this beautifully crumbling castle once inspired a poem by William Wordsworth.

Come for the oysters, stay for the priceless art honoring inventors across history and Scotland's favorite outdoor sports.

Hidden on a cobblestone street in Glasgow, a Czech Cajovna-inspired teahouse serves as a hangout for Bohemians.

Geodesic dome luxury retreat in the Scottish Highlands.

A verdant 17th-century-style garden hidden along Edinburgh’s Royal Mile.

This small museum in a 17th-century building honors three iconic Scottish writers.

One man spent 10 years building a spectacular section of road because no one else would.

Nestled amid the peaks and lochs of the Scottish Highlands, this inn and pub has played host to outlaws and ghosts.

This tiny island featuring 9th-century Viking ruins is only accessible at low tide.

This historic pub has maintained much of its 1906 decor, including a small sequestered room for women, where orders were slipped through a tiny window.

Scotland's only funicular railway is also the United Kingdom's highest.

A remarkably well preserved tower dating all the way back to the Iron Age.

This picturesque view of the Scottish Borders was beloved by Sir Walter Scott.

A glacial pothole was once a hideout for a notorious Scottish outlaw.