I would love to be able to sit and meditate at least once a day in a Japanese Zen garden. But since I don't have that time, I am content just to visit them as often as possible... And speaking of visiting Japanese gardens, if you're also on a tight schedule and want to see more in a short time - I know this happens to many of us when visiting Kyoto - you may want to visit the Daitoku-ji complex of temples. Ryogen-in features 5 astonishing Japanese Zen gardens, Zuiho-in has 2 and there's also an amazing Zen garden in Daisen-in...
Here is Dokuza-tei, "the Garden of Solitary Meditation" from Zuiho-in, created in 1961 by Shigemori Mirei. This is one of the most complex Japanese Zen gardens, with a combination of sand areas representing waves and moss covered areas representing forests...
EXIF info:
Nikon D90
Lens: VR 18-55mm F/3.5-5.6G
Focal Length: 18mm
Aperture: F/5.6
Shutter Speed: 1/400s
ISO Sensitivity: ISO 200