Going-to-the-Sun Road is one of the most amazing highlights of Glacier National Park in the U.S. state of Montana. This engineering marvel is considered one of the most scenic drives in the world and is among the most difficult roads in North America to snowplow in the spring.

Loveland Pass is a high mountain pass at an elevation of 3,660m (12,007ft) above sea level, situated on the boundary between Summit and Clear Creek counties in the U.S. state of Colorado. It is said to be the highest road in the nation that is kept open year-round.

Located in Tottori Prefecture in Western Japan, the Eshima Ohashi Bridge looks more like a roller coaster than a road. It is essentially a highway to outer space, a shortcut to inducing nausea, making driving over this thing one seriously thrilling car ride. It's one of the most spectacular bridges in the world.

Located on the border between the states of Jammu and Kashmir and Himachal Pradesh in India, driving from Kishtwar to Keylong offers one of the most terrifying experiences in the world.

Located in the southwestern part of Norway, Lysevegen is a very popular tourist road in the high mountains of Rogaland and Vest Agder. The road features 27 hairpin turns and a curvy narrow tunnel, impassable for 2 cars at the same time. It's not a small road; it's one of the famous hairpinned roads in the world.

Alberta Provincial Highway 40 offers a highly picturesque drive through western Alberta, Canada. Various segments of the journey feature a combination of paved and gravel sections.

Stelvio Pass is a high mountain pass at an elevation of 2.757m (9,045ft) above the sea level, located in northern Italy. It's one of the highest roads of Europe. The road itself is a marvel of engineering skill; the exhilarating serpentine sections ask to be driven by experienced drivers for their own sakes. All in all, this could be the most magnificent road pass in Europe. 

Alaska has some of the coldest roads on the planet, but there’s one more extreme than the rest: the Dalton Highway is one of the most isolated roads in the world. If you can drive this road, you can pretty much drive anything; it's a trip to America’s last remaining wilderness. It’s said to be the loneliest road on the planet.

Located on the island of Mallorca, in Spain, Sa Calobra Road is one of the most scenic drives in the world. Imagine dropping a long piece of wet spaghetti on the floor. The pattern it makes looks something like what the road looks. If you really want a challenge, try tackling it by bike.

R-1 regional road is a thrillingly curvy road located in the southern part of Montenegro, near the Adriatic coast, running from Cetinje to Kotor. It’s one of the most famous hairpinned roads in the world.

Pikes Peak, often cheesily referred to as “America's Mountain," is a high mountain peak with an elevation of 4,302m (14,115ft) above sea level, located in El Paso County, in the U.S. state of Colorado. Along the road to the summit, you’ll encounter some of the most breathtaking scenery in the world as you wind your way through an alpine wonderland of scenic beauty, mountain reservoirs, beyond timberline, overtaking the clouds… It's one of the highest roads in the USA.

Passage du Gois is a natural passage flooded twice a day by the high tide leading to the island of Noirmoutier in France. Pack an inflatable boat for driving this 5km road because just say, for some crazy reason, you mix up the tide times, then – like vehicles in the past – you might disappear beneath the salty brine.

Overseas Highway is one of the most beautiful scenic drives in America. This highway - the southernmost leg of U.S. 1 - is where visitors from Florida's mainland can cross countless coral and limestone islets through that special world of the Florida Keys. It's one of the most scenic drives in the world, mostly over water, allowing you to enjoy the beautiful scenery and the ocean and, of course, the incredible sunrises and sunsets depending on when you’re driving.

The popular Amalfi Coast route follows the shoreline from Sorrento south to Salerno, in Italy. Locals recommend planning a drive of the Amalfi Coast during the shoulder tourist seasons, mid-September to October and May, when the road is less crowded and lumbering tour buses are fewer. It's one of the best coastal drives in the world. Picturesque Amalfi has been featured in films for as long as cameras have rolled at 24 frames per second.

Built between 1844 and 1851, Les Grands Goulets is a legendary road located in the Drôme department in the Auvergne-Rhône-Alpes region of France. The road was closed to vehicles and pedestrians in 2005, with vertigo guaranteed. It's one of the famous French balcony roads.

Needles Eye is a tunnel blasted through sheer granite walls located in Custer County, in the U.S. state of South Dakota. You can get information about the tunnel sizes at the visitor center. Owing to the narrow roadway, sharp turns, and low tunnels, the road has very little traffic.

Zoji La is a high mountain pass at an elevation of 3,536m (11,601ft) above sea level, located on the boundary of Jammu and Kashmir and Ladakh, in India. This strip of rock is not the place for a Sunday drive. It’s said to be one of the most treacherous drives in the world.

Imogene Pass is a high mountain pass at an elevation of 4,012m (13,162ft) above sea level located on the boundary of San Miguel and Ouray counties, in the U.S. state of Colorado. The road is accessible by four-wheel-drive vehicles and is not for novice drivers. It's one of the highest roads in Colorado.

Strada della Forra is one of the most scenic drives in the world. This Italian road burrows its way through the mountain in the ravine formed by the river Brasa. A small car with a functioning horn is recommended. For skilled drivers only. The drive is known by motorcyclists from all over Europe, as it is impressive and not exactly without danger in a few narrow and steep spots.

Chile and Argentina share more than 5,000 miles of border, most of them drawn on the imposing peaks of the Andes. With over 40 border crossings between the two countries spread over the mountains, the most spectacular is Paso Internacional Los Libertadores, also known as Paso del Cristo Redentor.

Waipio Valley Road is a short, steep road located in the Hamakua District of the Big Island of Hawaii, in the USA, restricted to 4x4s. It is said to be the steepest road of its length in the United States. The road is steep enough to destroy brakes on the way down, with some 45% grade sections.