Google

google.com is one of most popular search engine in internet. Google also have advance search which you can set up options to specify your search. If you want to search images google also had an images search engine for that purpose.

google.com/advanced_search
In this advance search you can find what you looking for more accurate moreover, it allow you to set up how many results per page when running the search engine.

images.google.com
images.google.com/advanced_image_search
This image search would allow you to search any images that match the keyword. It also have advance search on it.

video.google.com
video.google.com/videoadvancedsearch
This is for video search on google and its advance video

search.blogsearch.google.com
google blog search

google.com/addurl
Those sites on search engine are not automatically added If you are owner of a website or blog and want to publish it into google search engine here is the site.

adwords.google.com
Many advertiser buying ad in internet to boost their sites traffic (Visitors). Here is the site to advertise your website on google search engine, you only pay when people click your ad.

More about google at:
wikipedia.org

- Screenshot image taken from alexa.com