Carcassonne, monument unesco, Château et remparts de la cité, Château Comtal 2972

Mars Panorama - Curiosity rover: Martian solar day 3658

Deadhorse Point

Mule Canyon Ruin

Far View From Atop The Vermilion Cliffs

Bottom section Cataract Falls at night, Lawson, New South Wales, Australia

Adeline Falls at night and a few glow worms, Lawson, New South Wales, Australia

Valley and mountains covered in could, Tarpeian rock, Leura, New South Wales, Australia

Buttes And Shadows

Behind the City Walls

Belllow the City walls

City walls at night

Mogadouro, Castle walls, Portugal

Castelo Branco, Castle walls

Baluardo San Paolino

Walls of Dubrovnik

Heritage Terraces opposite the Department of Education building, Quay Quarter Tower, in Sydney's CBD's sandstone precinct.

Department of Education building from outside Quay Quarter Tower, with MOS, Governor Phillip Tower, & Macquarie Tower, office complex, Sydney's CBD

Devil's Kitchen - Sandstone Hummocks

Doel 3

2012--10-04-The Xi’an Circumvallation-1（Northeast city walls）

North Caineville Reef (aerial)[2]

Twyfelfontein, Namibia

Sandstone Vistas, Valley of Fire, Nevada, USA