Brigham Young and Heber C. Kimball both saw a vision in the sky on the day Joseph Smith obtained the plates. (The vision is described.)
They had another vision together of the saints gathering in Zion.
Vision of Noah
Enoch's grand vision of the working of nature.
In chapter 80 it is stated that the system would be altered in the future. (ie. Not applicable today.)
Wilford Woodruff, "The Channels of Communication from God to Man, - Dreams, Visions, Etc.", Journal of Discourses, Vol. 22, pp. 332-333
Describes what a vision is.
Describes a vision he once had.