A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

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

A surrealist timepiece by the artist of melting clocks.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

Paris' linguistic guide to the international language of, yes, love.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

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

Notorious artist squat renovated into legal studios.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

Pop culture has helped to keep this iconic British building from being destroyed.

The medieval-looking hammer beam teak roof may be a Victorian vanity, but it's still absolutely magnificent.

This museum honors the young maritime hero who became an unexpected Victorian-era celebrity.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

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.

This enchanting Victorian estate was home to the world's first hydroelectric power generator.

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

A 200-year-old collection of oddities and medical paraphernalia.

An icon of the Battle of Britain is frozen in flight in a grand Victorian museum.

The artwork is tucked within a cave on a tiny Scottish island only accessible at low tide.

Originally intended as a temporary installation, this sculpture is now a permanent part of a stunning Scottish beach.

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

This former football stadium seems almost abandoned but is still in use by the next generation of Scottish sports stars.

This 1,300-year-old marker is one of the finest and most complete early Christian crosses in Scotland.