The Scottish Reformation leader's grave was paved over and is now a parking lot.

This early version of the guillotine was used to execute the man responsible for its construction.

A quartet of brightly colored mythical beasts stand sentry at this gateway.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

A sweet symbol marks the place where torturous executions were once carried out.

Edinburgh's oldest statue hides within a parking lot behind the city's iconic cathedral.

The 20th-century chapel’s intricate woodwork includes amazing details, most notably angels playing bagpipes.

An impromptu shrine appeared shortly after beloved "Torchwood" character Ianto Jones was killed off the show.

This pedestrian walkway cuts through a cemetery and over several burial vaults.

A former fisherman's hut deemed too small for habitation is now a delightful tourist draw.

Recently restored menagerie of Victorian-era beasts.

The castle still holds traces of the abandoned Roman fort it was built atop.

A harem-inspired Moorish fantasy design in a Victorian-era Welsh castle.

High Victorian fantasy created a fairytale castle out of a ruined fortress in Wales.

Stroll through Welsh history in a village of reconstructed structures.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

This tiny train shuttles passengers to one of Northern Ireland's most spectacular sights.

Northern Ireland's Brobdingnagian stepping stones.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

While only two of the ancient buildings at this site are actually churches this was one of the earliest Irish pilgrimage sites ever.

An Iron Age fort on the edge of a seaside cliff offers a glimpse into an ancient, mystical world.

A hugely vast Irish landscape of barren rock that stretches for miles.