Before the massive blowout of BP's Macondo oil well in the Gulf of Mexico, tests showed that the slurry Halliburton pumped down into the well could be unstable.
This glass-bottomed, U-shaped cantilever structure spans 70 ft (21 m) and juts out over the brim of the Grand Canyon -- a supreme test for those with acrophobia.
Yeah, let's get to the Passport Control kiosks before the crowds. Ugh, I seem to be putting my passport in the wrong way. I never remember how to scan it!
Hey Lindsay, do you know Rose is pregnant with triplets? No way, how'd you hear that, Michelle? Straight from the horse's mouth, we had lunch yesterday.
On our last day we took a scenic route through the old city. The lights, buildings, and river were truly spectacular. What great way to wrap up our trip.