Ballparks.com

   By Munsey and Suppes. Still probably the best reference site for stadia of many sports.

Ballparks of Baseball

   A fantastic site with great photos and tons of information

Digital Ballparks

   Eric Pastore's tremendous collection of photos, especially from minor league parks

Joe Mock's BaseballParks.com

   Information, essays, reviews, rankings...one of the most popular ballpark sites on the web

Graham Knight's Baseball Pilgrimages

   Great photos and reviews, interesting facts and very good articles

Small-Parks

   Jeff LeCrone has visited tens of minor league ballparks

Ballpark Reviews

   Even if you disagree with his grades, Brian Merzbach's site is excellent

Ballpark Tour

   You can spend hours looking at this site...pics and lots of information

Mike Castro's Fields of Dreams

   A great site covering Major and lots of Minor League stadia

Ballparkwatch.com

   Another good site that focuses on soon-to-be-torn-down stadia.

Terry Schultz, New Stadium Ideas 

   Some interesting new stadium ideas by baseball fans

Gibbs Ballpark Page

   An interesting page, lots of good links

Emporis

   Everything you wanted to know about cities and skyscrapers

UrbanOhio.com

   A site of photos from cities in Ohio and around the nation

The Architectural Record

   Recently the Record ran several stories on new stadia