A church that bred legends, and served as an inspiration for the Da Vinci Code.

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

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

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

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

France's national museum of scientific and industrial instruments.

The oldest stone house in Paris was built by its most famous alchemist.

One of the deepest indoor swimming pools in the world.

Cozy basement bar sports an inventory of over 2,000 beers.

From Tintin to the Smurfs, Europe's greatest graphic icons are celebrated in a grand Art Noveau gallery.

Lavish royal estate punctuated with heated greenhouses.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

A collection dedicated to the treatment of disease, held in London's oldest hospital.

Dictionary Johnson’s favorite feline.

The anatomical-pathological collection of a man who changed surgery.