canyon
random
r/AskReddit
tagged
Columbia River Gorge
Valles Marineris
tags
landform
fluvial landform
Wikidata
https://www.wikidata.org/wiki/Q150784
Wikimedia
https://commons.wikimedia.org/wiki/Category:Canyons
Wikipedia
https://en.wikipedia.org/wiki/Canyon
Wikivoyage
https://en.wikivoyage.org/wiki/Canyons_and_gorges