The London Eye opened in 2000 and started the trend, which continues with the High Roller and with attractions like the smaller 360 Pensacola Beach, a 200-foot-high observation wheel overlooking the Gulf of Mexico, which just opened in early July.

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But even the iPad, praised for its ease of use, is unsafe to operate with one hand on a steering wheel and a foot on the gas.

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Both the foot pedals and the steering wheel are adjustable so that drivers can recreate what it feels like to be behind the wheel of an F1 car.

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In the foot-well and the wheel arches, scientists found traces of a distinctive mix of chalk, brick dust and concrete used to cover the road leading to the ditch.

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But Scruggs just spent a week getting his brains beaten out at the wheel of his 40-foot racing sloop, Gunsmoke, in the waters around Key West, Fla.

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The center's developers are building a 287-foot-high Pepsi Globe, which will be the biggest observation wheel in North America.

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Cat is adding seven new product lines by 2000, including handlers and knuckleboom loaders used in the Southeast U.S. The 1997 acquisition of Sweden's Skgsjan has led to the marvelous new 570 Harvester, a six-wheel beast that grabs a fallen tree, delimbs it and cuts it to 5-foot lengths for board--in ten seconds.

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Its first grainy, wide-angle images showed its own left rear wheel parked on the surface of Gale Crater near the equator of Mars, close to the foot of a three-mile-high mountain it aims to explore in months to come.

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