In 1910, he traveled west with a group of artists to the Grand Canyon and other sites, resulting in an expansion of subject matter and series of Californian landscapes.
In 1910, he took a trip with painters Thomas Moran, Elliott Daingerfield, Douglas Parshall and Edward Henry Potthast to the Grand Canyon and other western sites. The result was an expansion of Williams' subject matter and series of Californian landscapes.