It was destined to slash journey times as the world's fast bullet train ... for the fastest train, reaching a top speed of 374 miles per hour during a test run near Mount Fuji.

The restriction aims to prevent risky "bullet climbing," where hikers attempt to ascend and descend the mountain in a single day, often leading to exhaustion and medical emergencies. Mount Fuji is ...

From the Tokaido Shinkansen Line to the Grand Canyon Railway, these eight train rides are especially scenic in spring.