Pablo Neruda's custom-built lover's nest was made to remind him of the sea and named after his mistress' hair.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

This surreal statue brings a famous French novel about a supernatural cad to arresting life.

Historic medieval fortified city in southwest France.

France's most famous cemetery, with some of its most curious tombs.

Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

A popular shrine where the Blessed Virgin allegedly appeared in 1830, displaying a holy armchair and two incorruptible remains of Lady Saints.

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

Paris' fabled purveyor of exotic taxidermy and natural history curios.

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

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

A museum on the history of Paris, including a set of Napoleon's toiletries, Proust's room, and relics of the Revolution.

The celebrated eyesore created by starry-eyed sweethearts.

Notorious artist squat renovated into legal studios.

Pivotal home of Nobel Prize winner Pablo Neruda.

The bookstore with bookshelves built into unlikely places.

A snake farm famous for its venemous varieties.

Part of one of the largest flooded cavities on the planet, and littered with prehistoric animal bones.