ARTICLES (IN DEPTH). Add &tbs=ida:1&gl=us to your Google search. to the end of your Google search URL. For example, search for "climate change" and when you get the results, go to the end of the URL and add &tbs=ida:1&gl=us.
COORELATE. Find searches that correlate with real world data.
DOWNLOADABLE MOVIES. This search looks for "House of Cards."
Search: house of cards -inurl:(htm|html|php|pls|txt) intitle:index.of “last modified” (mkv|mp4|avi)
LIFE MAGAZINE HISTORICAL IMAGES.
NGRAM. Graphs keywords in millions of books from nearly half a millennium.
PUBLIC DATA. Search through databases from around the world and then make graphs explaining that information.
TRENDS. Find search trends.