Cliffside Steps, Hunan, China. Makes me dizzy, (vertigo?), just looking at it! Part of me would love to stand there at the bottoms of those steps, and take in the amazing view....but the other part of me is thinking..."HELL NO, I WON'T GO!!!" lol
RORAIMA [northern, Capital Boa Vista] - Monte Roraima - In 2006, a team of scientists set out on exploring the newly discovered caves of Roraima. A year later he would return with some support by NASA for further research on microbes found in the walls of caves that could yield clues about life on other planets. (03)
The Shahara Bridge in Yemen. This engineering marvel spans a sheer 300 foot deep canyon. Built in the early 17th Century, this famous bridge has stood the test of time. From both sides of the bridge the mountains parted and revealed a glimpse of the enormous valley. The bridge must be crossed in order to access the mountain fortress town of Shahara and its beautiful terraced fields.