There are many different sites, but this one has prices going back to the beginning of the 1900's and you can zoom in on different areas.
Copying this from a post of mine in case anyone is interested.
http://www.prophet.net/analyze/javacharts.jspTwenty days of intraday data, then daily, weekly, monthly, quarterly and yearly charts.
Many indicators are available and you can draw trendlines, no fibs
Note two boxes at the bottom left...
--click detach and it will open the chart in a new window for a larger chart
--a box with red lines, click on it to remove or add horizontal/vertical lines, you can check the prices for a certain day by holding the vertical line over a candle.
Double click and hold mouse down for a trendline or just click and drag your mouse to zoom in on an area or use the + / - boxes or the bar at bottom.
To delete trendlines use the drop down "tools" at the top where you will also find the indicators under "studies"