
Cerro Uturuncu, (also known as Uturunku or Uturunco) is a stratovolcano in southwestern Bolivia, located in the Potosí Department, Sur Lípez Province, San Pablo de Lípez Municipality. At an elevation of 6,008 m (19,711 ft) it's one of the highest motorable road passes of the world. The biggest problem is the extremely low oxygen for engine combustion.

In the far western corner of Kosovo, beyond the town of Peja (or Peć, as it is known to Serbs), there’s a narrow pass that enters one of the most spectacular areas in the Balkans: the Rugova Gorge, where granite walls vault 609 meters (2,000 feet) above the Drini River. The gorge is traversed by M9 road. This gorge runs due west from Peja to the Montenegren border. The road ends abruptly on the border.

Mauna Loa Observatory is a premier atmospheric research facility at an elevation of 3.402m (11,161ft) above the sea level, located in the U.S. state of Hawai’i in the Pacific Ocean. Do not take this drive if you have respiratory problems or any type of heart condition. It's one of the highest paved roads of the country.

Shipki La is a high mountain pass and border post on the India-China border, at an elevation of 5,669m (18,599 ft) above the sea level. The border is no longer open for non-residents. The pass is traversed by the National Highway 5, the former NH22. It’s one of the world’s highest motorable roads.

The Burr Trail is a dirt track located in Utah, USA, with a length of 68-mile (109 km), winding through dramatic portions of the Grand Staircase Escalante National Monument, Capitol Reef National Park and Glen Canyon National Recreation Area. Although in dry weather it's easily accessible to passenger cars, wet weather may make the road impassable even for 4WD vehicles. It’s one of the famous hairpinned roads in the world.

Needle’s Eye is a tunnel blasted through sheer granite walls traversed by South Dakota Highway 87 (also known as Needles Highway). As part of the Peter Norbeck Scenic Byway, the Needles Highway stretches 14 miles through granite structures and pine covered mountains. With so much scenery to absorb, don't be surprised if you find yourself driving 20 miles per hour.

Route des Grandes Alpes is a legendary mountain road trough the French Alps. This fabulous route takes you from lake Leman to the Mediterranean climbing 16 passes that are among the highest in the Alps.

Eyre Highway is an asphalted highway in Australia, with a length of 1,675 km (1041 mi), linking Western Australia and South Australia via the Nullarbor Plain. It includes what is said to be the longest straight stretch of road in the country: 146.6 kilometres (91.1 mi) without any turn. For much of its length, it can be described as a long and lonely road.

Babusar Pass is a high mountain pass at an elevation of 4.173m (13,691ft) above the sea level. The pass is the highest point in the Kaghan Valley, Pakistan. The pass connects the Kaghan Valley via the Thak Nala with Chilas on the Karakoram Highway. It’s one of the famous hairpinned roads in the world.

Alto de l’Angliru (also known as Gramonal) is one of the most famous mountains passes in the sport, and one of the most demanding: 12.2 kilometers at an incredible 10.2%, grading out at a maximum of 23.5% not far from the top. This mountain pass is located in in Asturias, near La Vega-Riosa, in northern Spain. This is a road that some professional cyclists have even refused to climb due to how rough it is.

The Mangart Pass is a high mountain pass at an elevation of 2.072m (6,798ft) above the sea level, located in the Julian Alps, on the border between Italy and Slovenia. It’s said to be the highest-lying road in Slovenia.

SC-390 is the name of the sharply winding and precipitous ascent in a a steep and narrow zig-zag road in Serra do Rio do Rastro, a mountain range located in Lauro Müller, in the southeast of the state of Santa Catarina, Southern Brazil. It’s one of the famous hairpinned roads in the world. This ludicrously zigzagged route tumbles past waterfalls, through canyons and past spectacular scenery from start to finish.

Scanuppia - Malga Palazzo it’s said to be the steepest hardest long climb on a sealed-surface road in Europe (or the world). It's located in Besenello,a municipality in Trentino in the northern Italian region Trentino-Alto Adige/Südtirol.

Mineral Bottom is a 16 miles trail, located in Grand County, Utah (USA), driveable all year round. On August 19th, 2010, severe storms caused flash flooding and rock falls that blocked or washed away roads throughout the Canyonlands area. There is little room for error on this road. It's normal for your palms to sweat looking at those photos.

Kemaliye Taş Yolu is one of the most extreme roads in the world. Located in the Eastern Anatolia region of Turkey, this hand made road is extremely challenging, with drops of hundreds of meters unprotected by guardrails with 22 unlit and extremely narrow tunnels. The construction of the road started in 1870 and finished in 2002.

Col de Tende (or Colle di Tenda) is a high mountain pass at an elevation of 1.870m (6,135ft) above the sea level, located in the Alps, on the border between France and Italy. In 7km this terrific road includes more than 48 hairpin turns. There are forts along the ridge line in both directions. It's one of the highest mountain passes of the Alps.

Neelum Valley Road is a spectacular and dangerous high mountain road going through the Neelam Valley (also spelled Neelum Valley) at North and North-East of Muzaffarabad in Azad Kashmir, Pakistan, running parallel to Kaghan Valley and the Indian border.

The Old Axenstrasse is the name of the sharply winding and precipitous ascent in a a steep and narrow zig-zag road in Central Switzerland, with a length of 3,4 km. This old road was bypassed by the European route E41. Stay away if you're scared of heights.

Colle delle Finestre is a high mountain pass at an elevation of 2.178m (7,145 ft) above the sea level, located in the Alps, in the Italian region of Piemonte, Italy, linking Susa Valley and Cisone Valley. It's one of the highest mountain passes of the Alps. The road is normally open from the first of June till September 30. The maximum grade is 14% and along its 18,6 km, there no less than 55 hairpins.

Mount Antero is a high mountain peak at an elevation of 4.189m (13,743ft) above the sea level, located in Chaffee County, Colorado, USA, in the San Isabel National Forest. The road to the summit is rock, rough and requires four-wheel drive. Expect a dramatic set of switchbacks ascending up to the summit. It's one of the highest roads of the USA.

The Austrian Road, so-called because it was built by Austrian POW's during WW1 in 1915, is a marvel of engineering located in the Altai Mountains of East Kazakhstan. The road is 60km (5 hours) long and climbs several mountain passes, including Burkhatskiy Pass at 2.137 m (7,011 ft) above the sea level and Alatajsky Pass, at 1.792 m (5,879 ft).