A magnificent part of California's natural history since its discovery in 1885, Mercer Caverns is home to a wealthy variety of natural cave formations. Visitors are invited to take a tour of the caverns and view a variety of stalactites, stalagmites, draperies, columns, flowstone, helictites, and soda straws. Gaze upon delicate aragonite crystal formations at one of the cavern's deepest points, for which Mercer Caverns won a Grand Prize at the 1900 Paris World Exposition.

The Mörrum River is renowned worldwide for its exceptional salmon fishing, drawing enthusiasts from both near and far. Beyond the thrill of angling, visitors immerse themselves in the unique charm of the area, captivated by the river falls in central Mörrum. The locale offers more than just fishing, boasting a restaurant, a well-stocked fishing shop, and an aquarium adjacent to the exhibition at The House of Salmon. Here, guests have the opportunity to encounter the majestic salmon without navigating the swift waters, delving into the rich history that has solidified the Mörrum River as a veritable Shangri-La for fishing aficionados across the globe.

The Hamakua Heritage Corridor takes you on a scenic day trip along the Hamakua Coast. Drive 45 miles along sea cliffs, through lush valleys and tropical rainforests with ample opportunities to explore old plantation towns, see amazing waterfalls and take scenic detours.