I'm playing around with matcha tea these days. Matcha is powdered green tea, traditionally used in the Japanese tea ceremony. The color is incredible - very vibrant green. Here's how to make a cup of matcha.
(If you dont' have a bamboo whisk, you can use a wire one.)
Here's a great summary of the Japanese Tea Ceremony:
I particularly like the gesture of humility - stooping to enter the tea room.
I had the great fortune to observe a Japanese Tea Ceremony in Albuquerque a few years ago. The instructor had studied under a tea master in Japan for a long time. She taught a class via SEED. If it's still being offered, it's worth attending!