Advertising, when done right, is an art. After all, people have made Emmy-winning shows just about the ins and outs of creating a good ad. A simple glance at a major billboard or pre-video ad will ...

A vintage billboard advertises Nabisco Oreo cookies, showing two girls eating Oreos and a hand reaching for an Oreo from a TV screen. The sign reads “Switch to OREO.” Classic cars are parked below.

The best billboard ads are made to make a big impact, stopping passersby in their tracks. Whether it's through clever copy, dynamic visuals or guerrilla marketing tactics, these larger-than-life ads ...