Yes, you can walk through most of the ruins. A few were roped off for restoration/excavation. You can also climb up Huayna Picchu, the tall, sharp spire that s

Yes, you can walk through most of the ruins. A few were roped off for restoration/excavation. You can also climb up Huayna Picchu, the tall, sharp spire that sits behind the ruins from the classic vantage point. There are ruins at the top too, and you feel like you're floating in the sky.