HEATKEYS

Internet Archive is a non-profit digital library offering free universal access to books, movies & music, as well as 150 billion archived web pages.

Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessories, shoes, jewelry, tools & hardware, housewares, furniture, sporting goods, beauty & person...

YouTube is a place to discover, watch, upload and share videos.

Providing researchers with access to millions of scientific documents from journals, books, series, protocols and reference works.

Find what you want in a library near you with WorldCat, a global catalog of library collections.

Geocaching is a treasure hunting game where you use a GPS to hide and seek containers with other participants in the activity. Geocaching.com is the listing service for geocaches around the world.

Diatoms of Europe Iconographia Diatomologica Diatom Monographs

Create and play educational quiz games, memorize maps to improve your knowledge in Geography, Science, History and other fields of interest.

AbeBooks is your source for Used, New, Rare and Out of print books. Find classic collectibles, rare signed editions, used textbooks, and inexpensive bestsellers from independent booksellers worldwide.