AddTo Portland OR is available for iPad, iPhone and iPod Touch.  You can find it here.

AddTo Portland OR shows you favorite locations like  the Rose Gardens, Jackson Tower clock, the Aerial Tram, the Grotto, East Bank Esplanade and less well known places like the Statue of Liberty in Oak Grove, Lucky Lab brew pubs, great coffee shops and food carts like Whiffies.  Like other AddTo apps, AddTo Portland lets you create your own map, photo album and travel diary.