It happens to the best of them eventually.

Picture this: the harried ad executive, sitting in his cushy leather chair, is panicked.

Since guerrilla marketing has entered the mainstream, however, the term has been applied to just about any type of advertising that attracts attention in an unconventional manner.

If you'll indulge us, we'd like you to step into our time machine. It's 1987.

Some guerrilla marketing is even done to support good causes though much of it is created to line the pockets of giant corporations.

Here are just some of the growing number of subversive advertising campaigns that have been to raise global awareness.

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 are seven examples of green creativity that involve alternative uses of natural materials, including grass-covered cars and farm-field murals.

Urban camping means different things to different people, from living without a vehicle or electricity and plumbing to squatting in unused properties and more.

Here are some extreme city sports you aren't likely to see in a sports stadium - fasten your seat belt and strap on your helmet for seven really wild rides.