Dont you mean where to get seeds(?) Anyways, thaer is alot of them.
Minecraft Forums
minecraft.net is where you can buy the game and get the feel of the controls, ect.This is the official website of minecraft. The minecraft demo or classic version isfree. You can now download the application and play the demo there
The best place to get a demo version of Minecraft is from their website. Once you've tried out the game and decide to purchase it you can pay for the full version and download it to your computer. It is a very popular game.
Almost all so called 'hacked' versions of minecraft are full of viruses, your best chance is to buy it from the real website, minecraft.net
Minecraft /Skincraft
The Minecraft website is the best place.
The best place to look is on the minecraft forums
This is sort of difficult to explain. You kinda can purchase but form where I am they are limited. The best and most secure way to get it is to download it from their main website.
kaien's world
https://minecraft.net
Bukket download it for awesome things
The best map seeds vary depending on everybody's personal opinions. Some people like mountainous seeds, others like large oceans, some prefer scenic waterfall caverns and so on. It's impossible to say which Minecraft seed is the best because seeds are infinite. Check the related links below for some sources of user-voted best seeds.