digital maps of the world and the known universe

http://en.wikipedia.org/wiki/Google_Earth
Some very cool stuff.
http://www.gearthblog.com/category/3d_models

http://www.gearthblog.com/blog/archives/2014/01/top-digitalglobe-image-year-mount-vesuvius.html

http://www.usatoday.com/story/nation/2013/10/25/nga-digital-map-world-updated/3189781

http://en.wikipedia.org/wiki/WWTelescope

http://en.wikipedia.org/wiki/Celestia

http://en.wikipedia.org/wiki/Google_Sky,
http://en.wikipedia.org/wiki/Google_Moon, http://en.wikipedia.org/wiki/Google_Mars

http://en.wikipedia.org/wiki/Celestia#Add-ons

http://en.wikipedia.org/wiki/Universe_Sandbox

http://en.wikipedia.org/wiki/Digital_Universe_Atlas

http://en.wikipedia.org/wiki/Hubble_Ultra-Deep_Field:
https://www.google.ca/search?q=deep+hubble&safe=off&espv=210&es_sm=93&tbm=isch&tbo=u&source=univ&sa=X&ei=xdjWUpX6L4iGogTRi4LQDg&ved=0CCwQsAQ&biw=1777&bih=886&dpr=0.9

http://www.astronomy.com/news/2014/01/hubbles-first-frontier-field-finds-thousands-of-unseen-faraway-galaxies