Residents of Berlin take their coffee and cake in one of the city’s most restful spaces: a cemetery.

A collection of abandoned typographic signs from Berlin and beyond.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

Started as a kitchen garden, now the second largest botanical garden in the world.

An eerie, derelict amusement park in Berlin.

A unique collection of gilded age mechanical pianos.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

A wunderkammer hidden on the top floor of the Hartford statehouse.

This grand mansion has starred in everything from Bones to Buffy.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

A floating cat sanctuary on an Amsterdam canal.

Eighty million natural history specimens call this gargantuan museum home.

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

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

A subterranean ice warehouse that has lain hidden beneath central London for over a century is now open to the public.

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.