Grand Canyon, gorges, erosion wonders, and valley geology.
Test your knowledge with these top questions!
The rivers cutting Mexico's Copper Canyon region drain toward which gulf?
The Gulf of California separates the Baja California peninsula from Mexico's mainland.
What mainly carved the deep gorges of Mexico's Copper Canyon region?
Rivers cut into a high volcanic plateau, leaving a network of gorges separated by ridges.
What natural feature is Ai-Ais, at the southern end of Fish River Canyon, known for?
Faults in the canyon walls let groundwater rise to the surface, feeding Ai-Ais and other hot springs.
Namibia's Fish River Canyon lies closest to which neighboring country?
A transfrontier park links the canyon's protected area with South Africa's mountainous Richtersveld.
The river that flows through Fish River Canyon joins which larger river?
The Orange carries water west to the Atlantic, linking the canyon's drainage to the ocean.
Mexico's Copper Canyon lies within which major mountain range?
The range runs along western Mexico and separates Pacific lowlands from the country's high interior.
What type of terrain surrounds Fish River Canyon in southern Africa?
Sparse rainfall leaves much of the plateau bare, so the canyon's bends stand out against exposed rock.
Copper Canyon is a vast canyon system in which country?
The canyon system cuts into the mountains of Chihuahua, Mexico's largest state.
Why does Grand Canyon National Park close its North Rim from December through May?
The North Rim sits over 8,000 feet above sea level, so snow closes the only access road while the South Rim stays open all year.
Which Native American tribe owns the Grand Canyon's horseshoe-shaped glass bridge?
The Skywalk extends roughly 70 feet past the rim, hovering about 4,000 feet above the canyon floor on tribal land outside the national park.