Here’s my guide to spending one perfect day in Portland Maine. In 24 hours, this Portland travel guide gives you a step by step itinerary for exploring all of Portland’s must see sites, attractions, and landmarks. It also clues you in on what to see, do, and eat in Portland, even besides lobster rolls. Portland is the perfect place to start your coastal Maine road trip. Portland is one of the most beautiful towns in New England. Read on for the best things to do and see in Portland.