A French artist's vague warning hangs over Belleville.

An otherworldly alpine pasture with its own unique microculture that recalls Middle Earth.

A whimsical bridge adorned with decorative dragons.

A miniature train-ride through Slovenia's largest cave system.

This one-time health resort was used by aristocrats around the world.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

The largest madrasa in Morocco once housed more than 900 students within its exquisite walls.

It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

A shrine to a skeleton saint in the city of angels.

Shop selling 500 flavors of soda has something for everyone.

Resting place of Hollywood's immortals is also site of summer film screenings.

An expansive book store, art gallery, and curio shop with wares ranging from tarot cards to novelty socks.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

A 18th century graveyard and its astonishing cortege of macabre iconography.

This unusual statue overlooking the Royal Mile has an interesting backstory.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

The fountain marks the area where hundreds of accused witches were burned at the stake.

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

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

Dedicated to the art of hunting, with juxtapositions of contemporary art.

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

Known as the "Dodo Manège," this carousel features a herd of animals that have disappeared—or may be gone soon.

Lyon's "Wall of the Silk Weavers" is one of the largest murals in Europe.