Hehe, you can get kind of lost. But the edges are pretty obvious. And normally you've hired a tuk-tuk to take you between the different sites. It's a huge compound of buildings including several main structures. Ankgor Wat is just the most famous. Next up would be Bayon, and a couple others. There's a map, but the scale wasn't accurate or easy to work with, hehe. Like a roadmap vs a sightseeing one. This was also like 10 year ago, hehe.