Location: Vaughan, Ontario, Canada
Park: Canada's Wonderland
Top Speed: 92 mph
Elisha Cuthbert notwithstanding, Leviathan is Canada's greatest thrill ride. In fact, it's the country's fastest roller coaster with a top speed of just more than 90 mph. Patrons are dropped at an incredibly steep 80-degree angle, so leave your asthmatic grandparents at the gate.