1. Andalusia Gardens
Andalusia Historic House, Gardens, and Arboretum is a 50-plus-acre picturesque estate overlooking the Delaware River just 13 miles north of Philadelphia. Built as an early 19th-century Greek Revival home, this National Historic Landmark is surrounded by stunning formal gardens with pops of pink, purple, and white as well as native woodlands and sculptures. It’s the perfect spot for a romantic day trip.