The invention of the automobile finally gave purpose to the nation’s vast system of highways built for John Adams’s visionary turtle-race trails. Gain insight into the future use of roads with today’s Groupon: for $7, you get two single-day admission tickets to the San Antonio International Auto & Truck Show (up to a $16 value). The show kicks off on Thursday, October 27, and runs until Sunday, October 30.

The San Antonio International Auto & Truck Show annual exhibition, entering its 43rd year, showcases hundreds of new 2012 cars, trucks, SUVs, and other road tamers for four days of dazzling display. Auto enthusiasts can stroll the Henry B. Gonzalez Convention Center and inspect a cadre of supped-up cars, hard-to-find trucks and concept vehicles. Tire-screeching racers, such as the 2012 Mustang Boss 302, bring motorhead daydreams to the showroom floor, and sold-out rollers including the Range Rover Evoque tempt drivers into retiring their soap-box racer sedans for a sparkling new carriage. Those who plan on driving to the event can nab a complimentary parking coupon located on the official website.