Double Rainbow

Youfanggou Bridge

Phytoplankton

Tobias Rehberger

Room by Tobias Rehberger

http://www.wired.com/2014/04/wwi-battleship-camouflage-adapted-as-a-room-thatll-break-your-brain

MRI Scan of Broccoli

http://offbeat.topix.com/story/11415-20-mri-scans-of-fruits-and-vegetables-these-are-both-mesmerizing-and-vaguely-terrifying

Tricycle to South Pole