In addition to the "Quick Links" listed in the left-hand navigation panel, here are a few of my favorite rail-related links.
George Elwood's "Fallen Flags" Archives
ImageStation T&P Gallery
RailPictures.Net T&P Gallery
Denver Public Library Collection - Otto Perry's T&P Pictures
(You'll have to do an image search to bring up the T&P Pictures on the Denver site. You can do this by going to the link listed, then enter "texas pacific railway" in the box marked "Search the Digital Image Collection.")
Museum of the American Railroad, Dallas (formerly The Age of Steam Museum)
The Grace Museum, Abilene, Texas
Buffalo Gap Historic Village, Buffalo Gap, Texas
The Texas State Railroad Historical Park, Rusk, Texas
On "Texas" type 2-10-4 engines and Engine #610
Restoration of the 610
Technical Specifications of the engine
American Freedom Train: "610 Restoration"
American Freedom Train: "610 Takes Over"
American Freedom Train: "610 Today "
Trains article -"Texas Types: Musclemen of Steam"
Classic Trains article - "Steam Locomotive Profile: 2-10-4 Texas
Other Favorite Rail-related Links
Elvin Klepzig has a nice railfan website devoted to the Missouri Pacific and the Doniphan Branch Railway. Be sure to see his MoPac/T&P caboose preservation list.
The Wikipedia Online Encyclopedia entry for "Texas & Pacific Railway"
Support Amtrak - Next time take the train!
Ride the Texas Eagle
Chicago - St. Louis - Dallas - Fort Worth - San Antonio
Trinity Railway Express
Texas Interlocking Railroad Towers
This is Tower 74 in Beaumont, where the MP (GCL) crosses the T&NO (SP). Thanks to Steven Bartlett for sharing this picture.
The Texas Transportation Institute at Texas A&M University has set up live webcams along the Wellborn Corridor in College Station to monitor traffic flow along the UP tracks.
View the live feed here (may require a software download).