1. To have a look around a place, especially for pleasure. English = sightsee.
2. To travel and look around a place about which very little is known in order to discover what is there. English = explore.
3. To look at things in a casual way in a shop, in the hope that you might find something you want. English = browse
4. To wander or travel around an area without having a particular purpose, sightsee. English = roam, sightsee.