Heritage
Portsmouth Black Heritage Trial
African Burying Ground
Discover Portsmouth (mix of a museum and information center)
Scenic
Portsmouth Harbor Trial
*They also have cruise and helicopter options available
Eateries
Portsmouth Brewery
Portsmouth Book and Bar
Red Hook Brewery
Martingale Wharf Bistro
Special Stores I Adore
Market Street Jewelers (they have an amazing selection of unique pieces and the staff is incredibly nice)
Footnotes (I love shoes and they've got them!)