In which country is the Samaria Gorge located?

What is the name of the canyon that runs along the Snake River in Idaho? What is the name of the canyon that runs through the Guadalupe Mountains National Park in Texas? In which mountain range is the Taroko Gorge located? In which country is the Kali Gandaki Gorge located? Which river carves the Tiger Leaping Gorge in China? In which state is the Royal Gorge Bridge located? Where is the Itaimbezinho Canyon located? The Deccan Plateau is located in which country?