www.visitpa.com

Try out this website by going to PA Regions and then doubleclick in the center of the map.  You will see Featured Cities in Area to the right of the screen.  Select Altoona and you will see all sorts of things to do.

Altoona.com

This website will give you some current information of what is happening in Altoona.

Altoonapa.gov.

This website has a little of everything going on in Altoona

www.altoonacurve.com

And.... don't forget to check out the Altoona Curve at this site.