In no particular order:
1. Watching the sun rise, or the sun set, regardless of the weather.
2. The gentle caress of a mare's nose as she searches for the hidden carrots.
3. Thy myriad musical tones of surf on the shore of Lake Huron (by extension, this is true anywhere, it's simply that my introduction to this joy was at Grandfather's house on the shore of Lake Huron).
4. Loosing my Self in the altered reality of a very good book.
5. Melting into the Universe at the hands of an expert masseuse.
6. The rattle-tap percussion of rain on a tin roof.
7. Visualizing, composing, and capturing the moment in time comprising a photographic haiku.
8. The uncompromising unconditional friendship of a canine companion (currently, a certain Border Collie).
9. The white-hot rush of fresh shredded horseradish, and/or the wasabi green gun-powder shot flowing into and through your nose and sinuses.
10. Matsukaze: the wind in the pines, or the boiling iron kettle.
And now, because it is a perfect number, I tag