The deep web, deep net, invisible web, or hidden web are parts of the World Wide Web whose contents are not indexed by standard search engines for any reason. The deep web is opposite to the surface web.
Here’s how you can access DeepWeb:
By using TOR browser:
The Tor software protects you by bouncing your communications around a distributed network of relays run by volunteers all around the world: it prevents somebody watching your Internet connection from learning what sites you visit, it prevents the sites you visit from learning your physical location, and it lets you access sites which are blocked.The Tor Browser lets you use Tor on Windows, Mac OS X, or Linux without needing to install any software. It can run off a USB flash drive, comes with a pre-configured web browser to protect your anonymity, and is self-contained (portable).
You can find a whole list of DeepWeb links here : http://thehiddenwiki.org/