Built in 1965 and once home to the Houston Astros and the Houston Oilers, the Reliant Astrodome is now part of Reliant Park and sits next to the new Reliant Stadium (to the left, still under construction in this photo),…

Rikers Island is New York City's largest jail facility and has 15,000 inmates. The only access to (and exit from) the island is via the Rikers Island Bridge to the south. Thanks: Michael Kizer & Karen

Reaching to a height of over 200 feet, the Madison State Capitol dome is the only granite dome in the United States and is topped by Daniel Chester French's bronze statue, "Wisconsin". The building is also distinguished as being the…

Another post for the Crowds category is the packed Union Square in San Francisco. I have no idea why crowds seem to only form in San Franciso. I also have no idea what all those people are doing there? Thanks:…

Located on the Boise River is the Lucky Peak Dam with its message to the world: "Keep Your Forests Green". The 340 feet tall dam was completed in 1955 and can be seen from ground level here. Thanks: Josh H

It looks like the University of Washington graduation day at Husky Stadium. I hope no-one is late as the Montlake Drawbridge to south is letting a sailboat through so there's a bit of a traffic jam. Thanks: CT & Jonathan