There are arguably several Washington highways that could have earned the prestigious title of most beautiful highway in our state. North Cascades Highway via Canva North Cascades Highway via Canva loading... The popular lifestyle publication 'Thrillist' shared its choices for the 'Most Beautiful Highway in Every State.' Chuckanut Drive, south of Bellingham via Canva Chuckanut Drive, south of Bellingham via Canva loading...What is the Most Beautiful Highway in Washington? Chuckanut Drive at Sunset via Canva Chuckanut Drive at Sunset via Canva loading...