Structures

This is the Glen Canyon Dam in Arizona. What's great about this post is the bridge that extends across the valley in front of the dam, casting an excellent shadow on the dam itself. The dam's construction began in 1956,…

Overlooking Niagara Falls (and complete with rotating dining room), here is the 520 foot (160m) Skylon Tower. Bet you get a great view of the falls when you're up there! Thanks to Chris Granger.

The Louisiana Superdome is the home of the New Orleans Saints, and with a dome diameter of 680 feet (210 meters), it is the largest domed structure in the world. Thanks to Andrea and Jeff Fuchs.

The 308 by 2,400 foot Olivenhain Dam appears to be nearing completion in this photo, although it's still under construction (there's a yellow crane at the centre). As part of San Diego County Water Authority's US$827 million Emergency Storage Project,…

The Inco Superstack is the tallest chimney in the Western hemisphere. Wikipedia says: The Superstack sits atop the largest nickel smelting operation in the world at Inco's Copper Cliff processing facility in the city of Greater Sudbury. It was constructed…

Very close to each other near Walnut Grove CA, are three utterly enormous communication towers. Firstly is the Channel 40 Tower which stands at 608.7 metres, then just a little South is the Hearst-Argyle Tower which stands at 609.6 metres…