An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

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

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

These fantastically named natural pools look like something out of a Scottish myth.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

360° views of the city plus five floors of optical illusions and hands-on science.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

A magical, macabre wax museum, beloved by locals, uses real artifacts to depict an assassination from the French Revolution.

Ordinary art transforms to extraordinary thanks to locals' quirky sense of humor.

Collection of antique taxidermy and natural specimens, near one of Paris's oldest flea markets.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

In this Parisian garden's grotesque former life as a zoo it fed exotic animals to the bourgeois and put humans on exhibit.

This banal Parisian entranceway is not what it seems.

Museum on French naval history, with magnificent figureheads, a historic diving suit, and a boat used by Napoleon.

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

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

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

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

Exquisite wall sculptures carved in secret by an early quarryman in an obscure corner of the Paris Catacombs.

The first green space constructed on an elevated viaduct.

An overlooked marble is the only surviving in-place 18th century example of the measurement that changed how we define distance.

A unrivaled and rather horrifying collection of wax dermatological models.