Top roller-coasters in North America, scariest to coolest

Adrenaline junkies, take note: If you want to take a ride on the wild side, roller-coasters could provide the ultimate rush.

CBS News travel editor Peter Greenberg knows where to find the best in the nation, from the scariest to the coolest, and he revealed his picks on "CBS This Morning: Saturday":

Best incline and descent: Millennium Force, Cedar Point, Ohio

This steel coaster, the first "complete circuit" coaster, features 80-degree drops, goes 93 mph, and is the second-longest coaster in the world

Scariest: Leviathan, at Canada's Wonderland

One of the biggest and tallest roller coasters in the world, it hits a record-breaking height of 306 feet, followed by an 80 degree drop. It starts with a 180 degree turn to the right, then begins to climb the chain lift hill. Once the train reaches the top of the 306-foot lift, it drops back down to the ground on an 80 degree angle, reaching speeds of up to 92 mph.

Best structure: Bizarro, at Six Flags, New England

Consistently one of the most popular steel coasters in the world, it's 5,400 feet long and reaches top speeds of 77 mph. It has a 208-foot lift hill, 221-foot drop, and just over a mile of track. It's known for its "spaghetti bowl" of twists and flames.

Best ride: El Toro, in Six Flags Great Adventure, New Jersey

This one boasts a unique design that's a lot smoother than any other traditional wooden coaster. It has one of the steepest drops for wooden roller coasters: 76 degrees.

Worth the trip: The Voyage, Holiday World Indiana

Considered one of the top wooden coasters in the world since it opened in 2006, it has the most air-time of any wooden coaster: You experience weightlessness for 24.3 seconds and a 154-foot drop. It's a wooden out-and-back coaster with a steel structure. The entire track runs 1.2 miles and tops out at 173 feet, reaching a top speed of 67.4 mph.

Most nostalgic: Jack Rabbit, at Seabreeze Amusement Park, Rochester, N.Y.

Opened in 1920, the Jack Rabbit is the oldest continuously-operating roller coaster in America. Two others are older, but they were closed for a while. When it opened, it was the fastest roller coaster in the world.