Alex Proimos / CC BY 2.0 via Wikimedia CommonsA glacier cut this bay and left it hanging off the west shore of Lake Tahoe, a near-enclosed basin of shallow granite that turns the water the color the name promises. Interior named it a National Natural Landmark in 1969 for exactly that: mountain building and glacial carving, legible from the road at Inspiration Point.
Fannette Island is the only island in Lake Tahoe, a granite dome rising about 150 feet out of the bay with the stone shell of a tea house on top. That, and the house below, belong to the same story: in 1928 Lora Josephine Knight bought the head of the bay, and the next summer some two hundred workers built Vikingsholm, a thirty-eight-room house modeled on Norwegian and Swedish stave churches and farmsteads after Knight and her architect toured Scandinavia for ideas. It is considered the finest Scandinavian-style building in the hemisphere, and it is reached only on foot: a mile down from the highway, dropping five hundred feet, which you then climb back.
The bay floor is protected too. In 1994 the state made the water part of the park, and a maritime heritage trail marks sunken barges and boats for divers.
This is Wašišiw country, and the lake is the center of their world. Come early; the lots on CA-89 fill by mid-morning all summer.
The closest stops worth working into your route
Roadside plaques and monuments within a short detour