The Grand Canyon is one of the natural wonders of the world.

科罗拉多大峡谷是世界自然奇观之一。

《牛津词典》

Because of this, this new way of doing Uranium-Lead Dating, we've been able to determine that one of our major assumptions about the Grand Canyon was wrong.

因为有这种新的铀铅定年方法，我们才得以确定我们对大峡谷的一个主要假设是错误的。

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Glen Canyon in southeastern and south central Utah and northwestern Arizona, USA, is one of the most geologically diverse areas in Northern America.

格伦峡谷位于美国犹太州的东南和南部，亚利桑那州的西北，是北美地貌最为多样化的地区之一。

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A huge glass walkway, called the Skywalk, extends twenty-one meters from the edge of the Grand Canyon.

VOA: special.2009.10.07

From the canyon floor it reaches two hundred twenty-one meters high.

VOA: special.2009.08.12

Some of the miners at Crandall Canyon -- including one of the trapped men -- apparently were concerned about working in the area of the collapse, a source told CNN.

CNN: Camera lowered into mine cavity shows 'survivable space'

Watarrka (Kings Canyon) National Park features one of the most spectacular sights in central Australia - the yawning chasm of Kings Canyon.

BBC: Lonely Planet's top 10 in Australia's Northern Territory

Cantor may have led his colleagues out of the debt-ceiling canyon only to get them trapped in another one.

NEWYORKER: The House of Pain