Castleguard: cave beneath the ice

Castleguard: cave beneath the ice0 DownloadsThe remarkable Castleguard Cave that extends far beneath the Canada’s Columbia Icefield, and perhaps mimics conditions during the Ice Ages within may well-known caves. Download Now!

Landscapes of limestone

Landscapes of limestone0 DownloadsKarst landscapes are created where drainage is underground, and this creates not only great cave systems, but also a suite of landscapes and landforms from simply dramatic to truly magnificent. Download Now!

Frozen in the Arctic

Frozen in the Arctic0 DownloadsThe landscapes of the high Arctic include some of the most beautiful in the world, not just with their glaciers and icebergs, but including the many unusual features of permafrost and ground ice. Download Now!

Sinkholes and subsidence

Sinkholes and subsidence0 DownloadsGround subsidence is a frequent challenge for construction engineers, and one of the greatest geohazards is created by collapse over cavernous ground, in limestone and other soluble rocks. Download Now!

Klondike: the greatest Gold Rush

Klondike: the greatest Gold Rush0 DownloadsThousands of stampeders headed for the Klondike in the winter of 1898 after George Carmack panned gold in a tributary of Canada’s Klondike River; and gold has been mined in the valley ever since. Download Now!

Alaska and Yukon

Alaska and Yukon0 DownloadsA grand tour of the vast Arctic wildernesses of northwest America provides a host of geological treats among landscapes that range from beautiful to spectacular. Download Now!

Red Rock Country of the Colorado Plateau

Red Rock Country of the Colorado Plateau0 DownloadsThe splendid landscapes carved in red sandstones in Utah and Arizona, dissected by the Grand Canyon, include the spectacular landscapes of Monument Valley, Bryce Canyon and many more. Download Now!

Volcanoes of Kamchatka

Volcanoes of Kamchatka0 DownloadsIn Russia’s Far East, the Kamchatka peninsula was inaccessible during the Cold War, but it houses a magnificent variety of volcanoes and associated features that make a geological visit so worthwhile. Download Now!

Andean Altiplano

Andean Altiplano0 DownloadsSalt lakes, silver mines and volcanoes are among the geological wonders within beautiful deserts at high-altitude that form the altiplano between the ranges of the Andes in Bolivia, Peru and Chile. Download Now!

Sinking cities

Sinking cities0 DownloadsMany cities, including Mexico City, Tokyo, Shanghai and Venice, lie on convenient flatlands that are underlain by clay, which shrinks when groundwater is abstraction, so causing regional subsidence. Download Now!