The Following trips feature Canyons:
Jurassic Coast and the Complete Geological Timescale - Cheddar Gorge is visited.
The Vulcanologist's Dream - Fjadrargljufur gorge is visited.
The Trilobite's Sahara Kingdom - Tohdra Gorge is visited.
Ocean Crust and Mountains of Mantles - visits the Grand Canyon of Arabia
Yellowstone, Dinosaurs and Grand Canyon - Both The Grand Canyon is visited and The Grand Canyon of Yellowstone are visited.