In your mind, what kind of existence is the United States? Have you ever longed to drive across the east and west coasts of the United States, with too many destinations in your mind, and you are at a loss for not knowing where to start?

Don't worry, this article will provide you with a guide on the self-driving tour in the United States. The beautiful scenery on these 4 self-driving tour routes in the United States is worth looking for yourself.

1. Alaska: Seward Highway

The Seward Highway is a beautiful scenic route, ranked among the ten most beautiful highways in the world, with a total length of 127 miles. The Seward Highway begins in Seward and continues north to Anchorage.

This road continues to extend northward, and there are many places to rest and take pictures on the road. The glaciers that are far away are the most memorable.

Further along the road, you'll also see snow-covered slopes and ski chalets. The road twists and turns through the Alaskan wilderness, with high mountains, vast lakes, and lovely wildlife along the way. If you are lucky, you may even see beluga whales and eagles playing here.

2. Arizona: Highway 89

Route 89 is a very famous "North-South Scenic Avenue" in the United States, and has even been hailed as one of the classic highways "must drive" by National Geographic. Arizona Highway 89 begins northwest from Vermont's border with the Canadian province of Quebec, and southeast to Concord, New Hampshire, south of Interstate 93 and New Hampshire State Route 3A. The total length is 191 miles (308 kilometers).

Route 89 winds its way from south to north along a long, narrow rocky mountain range, sometimes on the west side of the mountain range, and sometimes through the pass on the east side of the mountain range.

3. California: Route 1

California Highway 1 (Pacific Coast Highway) is recognized by multiple agencies as one of the top 10 scenic highways in the United States, and it is also recognized as one of the most beautiful self-driving routes in the world.

The road from San Luis Obispo to Monterey is surrounded by mountains and seas, and it is very imposing. When you come to California, taking a trip to Highway 1 is a must. California Route 1 runs 655 miles (1,055 kilometers) from Mendocino County at the southern end of Sequoia National Park in the north to Laguna Beach in Orange County in the south.

However, in the eyes of self-driving drivers, Highway 1 refers specifically to this section of about 460 miles (740 kilometers) from the Golden Gate Bridge in San Francisco in the north to Los Angeles in the south.

Here is the most beautiful example of the marriage of land and sea on earth. On one side is the vast Pacific coast, sometimes misty and light, and sometimes the waves hit the rocks, and on the other side is the towering Rocky Mountains, with cliffs piercing the sky, and picturesque green fields, which are simply breathtaking.

It is like a silver ribbon connecting countless sandy beaches, rocky beaches, coastal dunes, national parks, state parks, wildlife reserves, European-style towns, and more.

4. Colorado: Ridge Road

The Ridge Road in Rocky Mountain National Park is the highest section of highway in the United States, with the highest point of 12,183 feet, is a road to the sky. All the way up through evergreen taiga, the road is above treeline for 11 miles.

The 77-kilometer ridge road traverses Colorado Rocky Mountain National Park from east to west and ends at Grand Lake at the west gate of the park. It is actually the Rocky Mountain Park section of Route 34, so named because it is built along the Rocky Mountain ridge and 18 kilometers above the tree line.