Located in the remote Andes of southwest Bolivia, Salar de Uyuni is the largest salt flat in the world, spanning over 4,000 square miles. Road trippers in the region can visit natural hot springs, vibrant lagoons, and charming villages — and after their adventures, even stay in a salt hotel. In recent years, these unique accommodations have used salt blocks from the flats to make everything from the walls to the beds and the furniture.

Route Napoleon follows the path taken by Napoleon Bonaparte during his 1815 return from exile on the Mediterranean island of Elba. The 200-mile route begins in Golfe-Juan on the French Riviera and ends in Grenoble. Along the way, history buffs will pass through picturesque villages such as Castellane, Grasse, and Senez, while taking in views of the French Alps and the Mediterranean coast.

The Romantische Strasse (Romantic Road in German) is a road trip route through southern Germany that was created as a tourism initiative in the 1950s. It runs for 290 miles between Wurzburg and Fussen, featuring plenty of quintessential German scenery and culture along the way — medieval walled towns, castles (including the famous fairy tale-esque Neuschwanstein Castle), and stunning views of the Alps.

Argentina's natural beauty and cultural heritage is on full display on the famous Ruta 40 (Route 40). One of the longest highways in the world, it stretches for more than 3,100 miles along the entire length of Argentina's western border, passing through some of the country’s most stunning landscapes — including the Andes Mountains, the Patagonian Desert, and numerous national parks and reserves.

The Alaska Highway is also known as the Alcan Highway, a combination of the words Alaska and Canada. The 1,390-mile-long road connects Delta Junction, in the state of Alaska, to Dawson Creek, in the Canadian province of British Columbia. (It also passes through the Canadian territory of Yukon.) The Alcan was initially constructed during World War II as a military supply route to Alaska, and was opened to the public in 1948.

Lemons are the most abundant fruit grown along the Amalfi Coast, a popular area for scenic road trips. Known as Sfusato Amalfitano, or Amalfi lemons, the regional fruit is notable for its particularly fragrant, juicy flesh, which has a low acidity level. The 31-mile drive along the Amalfi Drive (officially called SS163) offers abundant opportunities for stops at lemon farms, as well as taking in blissful views of the Tyrrhenian Sea.

The Transfagarasan Highway in Romania is a winding mountain road that crosses over the Fagaras Mountains, connecting the regions of Transylvania and Wallachia. The road was built in the 1970s as a military route; today, it’s a popular tourist driving destination that offers views of the Carpathian Mountains, waterfalls, and glacial lakes — all reasons the British car show Top Gear once called it the "world's best road."

New Zealand's Milford Road runs approximately 74 miles, from the town of Te Anau to the stunning Milford Sound. Until Homer Tunnel was built through the Homer Saddle in the Darran Mountains in 1953, Milford Sound was inaccessible by road. Even now, the landscape remains sparse, offering adventurers little in the way of shops or services, but plenty of unforgettable views of snow-capped mountains, beech forests, and glacial lakes.

The 125-mile coastal Garden Route is located along the southern coast of South Africa, stretching from Mossel Bay in the Western Cape to Storms River in the Eastern Cape. The route is known for its natural beauty — from lush forests to sparkling lakes, rocky mountains, and beautiful beaches. On the drive, road trippers can explore charming towns such as Knysna and Plettenberg Bay and visit Tsitsikamma National Park.

Scotland's North Coast 500 is a route that loops for 500 miles around the scenic northern coast of Scotland. While several castles are indeed part of the drive's sightseeing highlights, Edinburgh Castle is not one of them. The NC500 (as it’s nicknamed) traverses through six Scottish regions: Inverness, Black Isle, Caithness, Sutherland, Easter Ross, and Wester Ross.

The Storseisundet Bridge is a part of Norway’s Atlantic Road (also known as the Atlantic Ocean Road, or Atlanterhavsveien in Norwegian). It’s one of eight bridges along the 5.2-mile stretch of road that connects several small islands between the towns of Kristiansund and Molde. One of the most photographed bridges on the Atlantic Road, the Storseisundet Bridge is famous for its dramatic curves and the “road to nowhere” optical illusion it creates.

For the children at heart, Germany’s Fairy Tale Route follows the footsteps of the Brothers Grimm and their famous stories. The route covers about 370 miles, starting in the town of Hanau and ending in Bremen, by the North Sea. Attractions along the way include the Brothers Grimm Museum in Kassel, the Sleeping Beauty Castle in Sababurg, and the town of Hamelin, which inspired the story of the Pied Piper.

The Hakone Turnpike, an 11-mile toll road that winds through the mountains of Japan’s Hakone region, offers spectacular views of Mount Fuji, one of Japan's most iconic landmarks and a UNESCO World Heritage Site. The turnpike is situated in a region known for its hot springs, lush foliage, and cherry blossom trees in spring.

The Cabot Trail is one of Canada's most iconic road trips, winding its way through the rugged landscapes of the Cape Breton Highlands at the northeastern end of the province of Nova Scotia. The trail stretches for 186 miles, looping around the northern tip of Cape Breton Island. Along the way, road trippers can take in lush forests, rolling hills, stunning views of the Atlantic Ocean, and vibrant Acadian and Gaelic culture.

Point Lobos is a scenic natural reserve at the north end of Big Sur along California’s stunning Pacific Coast Highway. Australian-born landscape artist Francis McComas famously dubbed it the "greatest meeting of land and water in the world," and its dramatic headlands and inlets are part of what makes this stretch of highway between San Francisco and Los Angeles such a popular road trip.

One of Australia’s most popular tourist attractions, the 150-mile-long Great Ocean Road was built by Australian soldiers returning from World War I, from 1919 to 1932. Even as it suffers from threats of erosion from the mighty Southern Ocean, millions of visitors flock to the highway every year, taking advantage of a unique opportunity to explore the country’s southern coastline views, and to acknowledge an important part of Australia's military history.

Officially named Route 1, Iceland’s famous Ring Road is an 820-mile loop around the entire island nation, connecting most of its major towns and attractions. The trip takes most travelers about seven to 10 days. Highlights along the way include the mighty Skogafoss waterfall, the Blue Lagoon, Thingvellir National Park, the Geysir geothermal area, and the stunning Gullfoss falls.

The Road to Hana — also known as the Hana Highway — stretches along the northeastern coast of Maui, starting from the town of Paia and ending in Hana. The scenic drive is famous for its picturesque ocean views, roadside waterfalls, and a whopping 54 single-lane bridges. As beautiful as it is, the Road to Hana isn’t exactly a breezy road trip — the trip is full of tight twists and turns along rugged ocean cliffs.

Utah is home to five popular national parks — Arches, Bryce Canyon, Canyonlands, Capitol Reef, and Zion — that are collectively known as the Mighty Five. Many road trippers choose to start their Mighty Five itinerary in Las Vegas; from there, it’s a two-hour drive to Zion National Park. The rest of the trip across southern and central Utah takes about a week, leaving plenty of time for exploring each park.

Opened in 1926, Route 66 was not only one of the original highways in the United States’ numbered highway system, but also an iconic symbol of the great American road trip. In his 1939 novel “The Grapes of Wrath,” author John Steinbeck dubbed the highway “the mother road” — a nickname that stuck, along with “the main street of America.”

It may not take you on an interstellar journey, but Going-to-the-Sun Road — the central thoroughfare of Montana’s Glacier National Park — is surely one of the most breathtaking drives in the United States. Going-to-the-Sun Road stretches for 50 narrow, winding miles, and a one-way trip (without any stops) takes about two hours.