An "evil painter" included pointed symbols in this artwork to poke fun at members of the Danish Parliament.

Museum on earth sciences featuring a recreation of a famous curiosity cabinet.

Go inside to really appreciate this 500-year-old technological masterpiece.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

A plaque marks the site directly below the mid-air detonation of the atomic bomb over Hiroshima.

Meet the world's longest tapeworm in a collection that really gets under your skin.