The karesansui garden at Kyoto's Ryoanji Temple contains 15 rocks, but only 14 can be seen from any one location. The idea is that no matter what your perspective into any situation is, you're always missing something.
Karesansui means "dry landscape" and is more commonly known in English as a Japanese rock garden.
There are more pictures of the beautiful Ryoanji Temple here.
As you sip your green tea, close your eyes and imagine you are contemplating this serene garden.