Krishna Janmashtami commemorates the earthly appearance of Lord Krishna. One of the biggest religious festivals in the world, it is celebrated by over 900 million people around the world--and two million in the US alone
You can watch the entire live streaming of the Janmashtami celebrations through the internet. Thus, if you are not going to make it to the celebrations personally, then the Janmashtami live streaming is the best option that you can choose.
You can watch the Janmashtami celebrations from the following temples throughout the world:
1) From the holy Vrindavan Temple
2) From the Bangalore ISKCON temple
3) From ISKCON MUMBAI
4) Live celebrations from San Diego Hare Krishna Temple
Apart from this, you can watch the Janmashtami festival celebrations on YouTube