All that slimy green stuff the ocean sweeps in? It’s pretty interesting. Put on wellies and head out with Kristine Pearson, who combs the shores of Vancouver Island’s Sooke Harbour. $35 U.S.; sea-flora.com/education
Best time to go: June, for lowest tides.
Stay: The oceanside Sooke Harbour House makes culinary magic with seaweed finds. From $301 U.S.; meals $$$$ U.S.;