Get lost in halls of wondrous fish and exotic marine mammals at Nausicaá National Sea Center, located 0.9 mi (1.5 km) from central Boulogne-sur-Mer. Why not take a stroll along the beaches and watch the sunset while you're here? If you'd also like to explore some of the parks in Boulogne-sur-Mer, head to Cap Gris-Nez and Regional Natural Park of the Caps and Opal Marsh.
Whether you want to collect beach glass or watch the sunset, Le Touquet Beach is a spot you might want to check out, located 0.6 mi (0.9 km) from central Le Touquet-Paris-Plage. If you want to continue walking by the waves, head to Le Poulier and Stella Beach.