Washington DC has the best proposal spots. Proposal photographer Natasha Lamalle shares her top locations in the city.I've included a few FAQ's, a mini guide to how to propose, and a list of the top 11 best, most beautiful PNW proposal locations. Booking an activity you love or trying something new is such a fun way to propose! Your guide to the best place proposal locations in Washington state. Including best hikes to propose on, best spots in Seattle and more! Seattle Civic Rose Garden, Woodland Park Zoo. Dune Peninsula at Point Ruston Park. Walk up to the top right before sunset.