Landmarks - Grand Canyon

The video explores the Grand Canyon's geological history, highlighting its rock formations and the timeline of its formation. It discusses human interaction with the canyon, including its naming by John Wesley Powell and its designation as a National Park by Theodore Roosevelt. The video also covers the introduction of the Skywalk, a glass-bottomed walkway, and its impact on tourism and the local Walapai tribe. The Skywalk's construction sparked debate over its environmental and cultural implications, with traditionalists concerned about its impact on the sacred landscape, while supporters emphasize job creation and enhanced visitor experience.

What is the age of the oldest rock strata exposed in the Grand Canyon?

• 1.7 billion years

• 250 million years

• 70 million years

• 10,000 years

Who was the first person to consistently use and publish the name 'Grand Canyon'?

• John Wesley Powell

• Ansel Adams

• Buzz Aldrin

• Theodore Roosevelt

In what year was the Grand Canyon designated as a World Heritage Site?

• 1900

• 1870

• 1979

• 2007

What is the name of the glass-bottom walkway built over the Grand Canyon?

• Eagle's View

• Skywalk

• Canyon Walk

• Glass Bridge

Who inaugurated the Skywalk at the Grand Canyon?

• Neil Armstrong

• Theodore Roosevelt

• Buzz Aldrin

• Ansel Adams