Kings Dominion is a large amusement park conveniently located just off of I-95 about 20 miles north of Richmond and 75 miles south of Washington, DC (you'll know you've arrived when you see the replica of the Eiffel Tower from the interstate). Their "400 acres of entertainment" includes a noteworthy collection of 15 rollercoasters, plus kid's rides, family rides, live shows and plenty of stuff to buy and/or eat. The WaterWorks water park is 40 acres of wet fun.