The largest fountain in Bratislava.

The most northern place on the mainland of Great Britain.

Overlooking the burial ground is a tower designed to prevent thieves from snatching the recently deceased.

The small Scottish townhouse where the "Father of the National Parks" was born.

Climb this overlooked gem's spiral staircase and you'll be rewarded with spectacular views of Glasgow.

Bronze plates placed around this Scottish fishing village form a true-scale model of the solar system.

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

Britain's only herd of free-ranging reindeer.

At high tide this strange footbridge appears to have no purpose whatsoever.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

The last inhabitants of one of the U.K.'s most remote islands were evacuated in 1930.

These fantastically named natural pools look like something out of a Scottish myth.

These ruins are a hidden gem, complete with fantastic views over the cliff edge.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

A lush indoor jungle fills this bustling Madrid transportation hub.

This amazing abuela became a diehard metal fan late in life and an icon of Madrid's '80s rock scene.