Sand Dune Arch is one of over 2,000 naturally occurring sandstone arches in Arches National Park. The Sand Dune Arch Tra ...
Etched into the icy dome are swirling troughs ... The winds that carve the north pole’s troughs also reshape Mars’ sand dunes, causing sand to pile up on one side while removing sand from ...
They are the largest active sand surface in Canada and the most northerly sand dunes in the world ... on the surface of the dome is, in my personal opinion, one of Canada's best kept secrets.