Planning & Research. Before your visit, look at travel guides or go on the Internet, sites like Flickr for inspiration. Or if you don't have time look around at the postcards for sale on holiday, talk to the locals or see what other photographers have snapped.
Have fun with an unusual pov.
Holidays. Tell a story by including signs, even road signs, in your set of holiday photos. It could give you instant recollection of where you are have been when explaining to others.