Texas Tech engineer shares pictures of U.S. pennies stacked to make elaborate structures.

An online hub for coin collectors, featuring a world coin catalog and online coin management tools.

This site is a blogging site, offering content about coin collecting. The subject matter covers, foreign coins, tokens, US coins, coin history, and current numismatic events.

Information about numismatics, the study and collecting of coins, paper money, tokens, medals, and other similar objects.

Provides free portfolio management tools, detailed coin listings for over a million U.S., world, and unusual coins, as well as pricing and mintage information (by subscription). Also features Numismatic news, blogs, and a comprehensive events calendar...

NNC includes approximately one million objects--more than 400, 000 coins and some 550, 000 pieces of paper money and encompasses the entire history of money of the world, coins and paper money, as well as medals.

Allows you to track your coin collection online for free. Use the catalog to add coins to your personal collection, create categories and coins, upload photos, and search auctions from within your collection.

Resource with general information about coins and coin values. Provides information about rare coins, values and price guide, how to articles on photography, as well as storage.

A history of money including maps, images detailed information and tutorials.

A virtual money museum.