Valve released a trailer for its upcoming release of "Perpetual Testing Initative," an exciting downloadable content that will allow Portal 2 players to build their own custom levels.

In this month's issue: Ridiculously Photogenic Guy, Tupac's Hologram, Texts from Hillary, Lawyer Dog, Hot Problems and more!

Improv Everywhere turned one couple's casual evening at Central Park into a fancy dinner and private concert.

The ultimate in flipping tables efficiency.

This photo fad started when Russian photographer Marat Dupri decided to climb to dangerous heights in Moscow to photograph the view.