The history of radiation is on safe display at the foot of a radiation science laboratory.

A medieval fresco which reminds visitors that death will come for us all.

These millipedes glow not out of attraction, but as a not-too-subtle warning.

Stunning wetlands ablaze with pink lotus flowers.

An extraordinary library and archive dedicated to the history of the Arctic and Antarctic poles.

The largest medical and anatomical collection in France lies hidden from the public.

An intricately decorated tiny place of worship.

Nature's biggest mammal swims in landlocked Oklahoma.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

Tiny communists hammer away on the Olomouc Astronomical Clock.

A perfectly running 230-year-old silver automaton and music box.

The giant skeleton sculpture is surprisingly well-traveled.

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

The world's oldest model village.

The world's largest collection of ships in bottles.

A miniature city, once ruled by the Queen of the Netherlands.

While most books are made of wood, these wooden books are truly made of, and all about wood.

One of the world's largest collections of rare and magnificent bird specimens.

Small ship votives hang from the vaulted ceiling of this port-side church with a Latin inscription on the wall.

Celebrating the transformation of trash into objects of beauty.

A collection of collections, including an anatomy museum, the “Cabinet of Physics of Alessandro Volta, a museum of natural history, mineral collection, and much much more...

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

The bookstore with bookshelves built into unlikely places.

Underground hospital complex constructed by slave laborers during the German occupation of the Channel Islands.