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

Northern Ireland's Brobdingnagian stepping stones.

This gorgeous space is England's largest independent library outside of London.

The sign at the garden gate reads: "These Plants Can Kill."

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

Iceland's first pagan temple in 1,000 years is underway in Reykjavík.

This tiny museum's sizable collection is jammed into a former underground public toilet.

The abandoned transportation hub hides within the Glasgow attraction it once served.

The dance of this huge clock is a magnificent and eerie commentary on good and evil in the history of humankind.

The U.K.'s first underground railway line is now a lively thoroughfare for runners and cyclists.

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

A leafy, peaceful oasis nestled in the heart of Glasgow's busy south side.

These semi-natural waterfalls hint at the park's Victorian-era industrial past.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

Anonymously sculpted and donated, these sculptures made from poetry books and pages are sprinkled around the city.

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

This 16th-century house tells the city's history through old artifacts and quirky tales.

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

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

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

This ethereal, rainforest-like gorge is home to waterfalls, quaint bridges, and fairy folk.

Monty Python fans will recognize this abandoned mine as the Cave of the Killer Rabbit of Caerbannog.

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

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