The Kawazu-Nanadaru Loop Bridge, in Japan, is an example of how to build a bridge from one mountainside to another when the sides of the mountain are so steep that it is not possible to build a road at the same elevation on both sides. It's one of the most spectacular bridges in the world. 

Mount Fuji is the highest mountain in Japan at 3,776m (12,389ft) above the sea level. An active stratovolcano that last erupted in 1707–08, Mount Fuji lies about 100 kilometres (62 mi) south-west of Tokyo, and can be seen from there on a clear day.

Kenashi Pass is a high mountain pass at an elevation of 1,910m (6,266ft) above the sea level, located on the border between Gunma and Nagano Prefectures, in Japan. The pass is traversed by the Gunma-Nagano Prefectural Road 112.

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

Located in the Miyawaka town, Fukuoka Prefecture, Japan, the Old Inunaki Tunnel is a famous place where people have been killed or burnt to death and many murders took place here.

Hakusan Super Rindo Forest Road is a very scenic drive in Japan. This winding mountain toll road links Hakusan City in Ishikawa Prefecture with Shirakawa-go in Gifu Prefecture. It's a beautiful, scenic drive, especially in autumn as the leaves are changing.

Iroha-zaka is a pair of famous winding roads located in the mountains of Tochigi Prefecture, Japan. It’s the main access to connect the lower elevations around central Nikko to the higher elevations of the mountainous Okunikko region. Each corner has a letter of ancient Japanese alphabet, and you will see it in alphabetical order. 

Mount Ikoma is a mountain pass at an elevation of 642m (2,106ft) above the sea level, located in the border of Nara Prefecture and Osaka Prefecture in Japan. The road to reach the summit is asphalted and includes peakes up to 24%.

The Tsugaru Iwaki Skyline is one of the most challenging drives on Earth. Located in the northern Tōhoku region of Japan, this road with 66 hairpin turns will make you carsick just looking at it. This scenic toll road goes from the foot of Mt. Iwaki up to the eighth station, at 1.247m (4,091ft) above the sea level. It’s one of the most hairpinned roads in the world.

The Norikura Skyline is a great driving road where travelers can enjoy a great panoramic view of the Northern Alps Mountain Range, and you can travel up the mountain to a height of 2.700m (8,858ft) above the sea level without stopping. It’s the highest public road in Japan.

The Tateyama Kurobe Alpine is one of the most spectacular drives in the world. This unique and spectacular route through the Northern Japan Alps stretches over 37km and reaches an altitude of 2,450m (8.038ft). This is an area of immense snowfall, and when the road opens in mid May, it is surrounded on both sides by walls of snow 15 meters tall.