Askja Road is a winding dirt track running towards Askja volcano, a stratovolcano situated in a remote part of the central highlands of northeast Iceland. The road has some challenging sections with several fords and river crossings. Keep in mind it’s a very dangerous drive.

Ojos del Salado is a massive stratovolcano on the Argentina-Chile border and the highest volcano in the world at 6,891m (22,608ft) above sea level. This mountain has been the scene of several records for attaining the highest altitude aboard a land vehicle. It’s one of the highest accessible points by car on Earth.

Col du Jandri is a high mountain peak at an elevation of 3.165m (10,383ft) above sea level, located in France. It's one of the highest roads in Europe.

Umbrail Pass is an international high mountain pass at an elevation of 2,506m (8,221ft) above sea level, located on the Swiss-Italian border. At this elevation, the road to the summit is currently the highest paved road in Switzerland and one of the highest paved roads in the Alps.

Shimshal Valley Road is a terrifying mountain drive located in Pakistan that tests both the skills of drivers and the endurance of their vehicles.

F208 (Fjallabaksleið nyrðri) is one of the most challenging roads in Iceland. Expect very tough driving conditions, with potholes, rocks, uneven terrain, and even rivers to ford.

Cerro Uturuncu is a stratovolcano located in the Potosí Department of Bolivia. A minor gravel road climbs up to 6.008m (19,711ft) above sea level. It’s one of the highest roads in the world. The biggest problem is the extremely low oxygen for engine combustion.

Cirque de Jaffar is a natural cirque located in the Midelt Province of Morocco. The road to the natural amphitheatre is simply stunning. It’s said to be one of the most dangerous roads in the country.

Slate Peak is a high mountain peak at an elevation of 2,271m (7,450ft) above sea level, located in the US state of Washington.

Shipki La is an international high mountain pass and border post on the India-China border, at an elevation of 3,954m (12,972ft) above sea level. The border is no longer open for non-residents.

Scanuppia-Malga Palazzo is a mountain peak at an elevation of 1.571m (5,154ft) above sea level, located in Trentino, Italy. The road is brutally steep.

Les Ecouges is a very challenging drive located in the Isère department in France. With provocative verticality and derisory barriers, the balcony section is as hair-raising as it is short and narrow. It’s one of the French balcony roads.

Located in the southwestern part of Crete, in Greece, the road from Kallikratis to Kapsodasos with 27 hairpin turns is one of the most hairpinned roads in the world.

Alto de l’Angliru is a high mountain peak at an elevation of 1.558m (5,111ft) above sea level, located in the province and autonomous community of Asturias, in Spain. It’s one of the hardest and most epic climbs you can ride on two wheels.

Colle delle Finestre is a high mountain pass at an elevation of 2,203m (7,227ft) above sea level, located in the Italian region of Piemonte.

In the region of Rugova in Kosovo, beyond the town of Peja, 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.

Alte Axenstrasse (Old Axenstrasse) is the name of an engineering masterpiece located in the canton of Uri in Switzerland. The road is closed to vehicles indefinitely.

Mount Bross is a high mountain peak located in Park County, in the U.S. state of Colorado. An old mining road on the way to the summit tops out at 4,071m (13,356ft) above sea level. It's one of the highest roads in the USA.

Karabet Geçidi is a high mountain pass at an elevation of 2,994m (9,822ft) above sea level, located in Van Province, in Turkey. It’s one of the highest roads in Europe.

Located in the Smolyan Province of Bulgaria, the road through Trigrad Gorge, leading to Devil’s Throat Cave, is stunning. Oncoming traffic is a nightmare.

Located in Grand County, in the US state of Utah, Gemini Bridges Trail is a very scenic drive. You should not attempt this without a serious vehicle that can handle off-roading. If you are looking for the real Moab experience, this is it.