[Scratch area in which I will occasionally pile up things that I find interesting]
http://www.recreation.gov/
Recreation.gov [from About Us on the site] offers a single point of access to information about Federal recreational activities and reservations. It provides a comprehensive source of information about thousands of Federal recreation opportunities. Through the National Recreation Reservation Service (NRRS) and Recreation.gov, people planning a trip are able to: […]Make recreation-related reservations for use of Federal sites and activities via one shopping cart online
http://www.clker.com/
Clker.com is an online sharing service where users share free public domain vector clip-arts, or share public domain photos and derive vector clip-arts from those photos using clker’s online tracer.