A vivid burst of sunshine yellow, this accordion-fold souvenir mailer from Monterey, California unfolds to reveal the full "Path of History" — the orange-line walking trail that connects California's most storied colonial landmarks. The cover spotlights the Custom House, the oldest government building west of the Rockies, its adobe walls and terracotta roof tiles anchoring the city's Spanish and Mexican heritage since 1827. Inside, hand-tinted chrome views pull the reader through California's First Theatre (a State Historical Monument where Fremont's troupe gave the first paid performance in 1848), the Robert Louis Stevenson House museum, and the festive Merienda — Monterey's annual birthday party cake-cutting ceremony, with women in brilliant red and black traditional dress gathered around a towering white cake as a guitarist strums nearby. A fold-out map on the reverse charts every landmark from Colton Hall and Sherman's Quarters to Fisherman's Wharf and El Estero Lake, orienting the visitor with period street names and compass rose. Sponsored and designed by the Monterey History and Art Association, this mailer captures mid-century California tourism at its most exuberant.