Durbar Square is the main Kathmandu attraction, and quite unlike anywhere else in the world. Actually it's quite similar to the main squares in other Nepalese towns as you'll see, so I'll have to modify my first claim a bit. It's a gigantic open space, where over the centuries, palaces, temples various monuments have been built haphazardly around the square, each competing to outshine the others with their otherworldly architecture. Then the remaining free space is crowded with markets, pedestrians, cows, beggars, picture snapping tourists and, unbelievably, cars. It's incredibly chaotic, and you'll want to spend all day here just soaking in the atmosphere. Unfortunately, that's not that easy, as the minute you stand still you'll be surrounded by beggars and touts, but it's all part of the scene.