These videos feature some of the more raw and original free runners who made this extreme urban sport what it is today.

The following three events are vastly different in terms of geography, history and purpose but are all impressive in their own way and right as these images show.

Here are seven more geek graffiti projects that comment on and employ tools of the digital age to reinterpret traditional street art approaches or convey contemporary messages via new media.

If the comments on this article are any indicator, Shopdropping is controversial to say the least.

The following examples span the spectrum but share elements only a geek can fully appreciate.

Downey is a New York street artist with a twist: his bizarre contributions to the urban art of public spaces could, if only for a moment, be confused with traditional street furniture.

Here are five of the most interesting, innovative, strange and downright bizarre green concept vehicles developed this past year.

Shopdropping was probably the last kind of giving on most people's minds as they shopped during the holiday season.

Have you ever wanted to rule your very own country?

Here is a selection of ideal urban camouflage perfect for blending into the city scenery and traveling around town unseen while exploring amazing urban abandonments.

Here's a look at three types of urban light art: dorm room tetris, lightstick air animation and architectural projection bombing.

Where was your absolutely favorite place to play as a kid?

Urban photography doesn't have to mean perfectly framed parks and stoic skyscrapers. Some of the best urban photos feature wonderful abandonments.

What could be stranger than a person twisted and frozen in time inches above a street? How about a wind-powered automaton bred to be the perfect perpetual motion machine?

Here are three examples of socially-motivated projects designed to make a difference.