How Scary is the Bus Ride to Machu Picchu?

How Scary is the Bus Ride to Machu Picchu?

How Scary is the Bus Ride to Machu Picchu? How scary is the bus ride to Machu Picchu?  In two words: pretty scary!! ; )  And why is this question relevant to the thousands of people that visit Machu Picchu each year, you may ask?  To put it simply: because...