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The road trip is the American travel format — not because Americans invented driving, but because the country was built at a scale and with a geography that makes the car the most natural way to encounter it. A flight from New York to Los Angeles takes five hours and delivers you from one coastal city to another with 2,800 miles of continent entirely bypassed. The same journey by road takes five days and passes through the Appalachians, the Ohio River Valley, the Great Plains, the Rocky Mountains, and the Mojave Desert — five distinct landscapes, five distinct regional cultures, and a physical understanding of the country's scale that no other mode of travel provides.

That is the case for the road trip as a format. The case for the specific roads on this list is different: each one was chosen because the drive itself — the specific sequence of landscapes, the quality of the light on a particular stretch, the towns and stops along the way — is the experience, not merely the mechanism for reaching an experience. These are not drives you take to get somewhere. They are drives you take because the road is the point.

The 20 trips here range from iconic routes that have been driven by millions to regional roads that are largely unknown outside the states they pass through. They span every region of the country: the Pacific coast, the desert Southwest, the Rocky Mountain states, the Great Plains, the Deep South, New England, the mid-Atlantic, and the upper Midwest. Several are short enough to complete in a day. Several justify a week or more. All of them reward the traveler who is willing to stop — at the overlook that is not on the itinerary, at the diner that looks right from the road, at the geological formation that deserves more than a drive-by glance.