Shinto
Ritual practices in early Japan, centered around the worship of nature were later called Shinto ツ"the way of the gods,ツ"....
For more information please see All Japan
http://www.isejingu.or.jp/english/index.htm
Ise-jingu
Saigyo (Buddhist priest, famous waka poet 1118-90)
"I don't know what resides here, but tears fall in appreciation for it."
A. J. Toynbee (Famous historian of England)
"In this sanctuary, I perceive the fundamental unity of all religions."
Paul Greenguard (Nobel laureate in Medicine and Physiology)
"Here, in Ise Jingu, I perceive a sacred and eternal spirituality."
Eiji Yoshikawa (Novelist, famous writer of "Miyamoto Musashi")
"Is this the home for my heart? A wandering traveler, somehow I was led to visit here, I feel I am a child again."
I don't think 'becoming shinto' is that easy, because as far as i know, it's bound to certain places. You have to be at a Kami's place to feel it's power, I guess.