It has been a haven and sanctuary for pirates, smugglers and religious dissenters. The Romans may have set up camp on this rock, and Catholic Spaniards and British and Scottish soldiers built a castle and other military garrisons on it. Prisoners were sequestered here. But these days, the tiny islet is known for two things: seabirds and curling stones.

The organic and intricate features of a volcanic cave come alive in great detail in this three-dimensional image of La Cueva de Los Verdes in Lanzarote, Spain. Some of the most innovative scanning technologies have produced the largest 3D scan of a lava tube on Earth.

As sea ice at far northern latitudes approached its annual maximum extent, the Terra satellite captured this natural-color image of sea ice and clouds off Canada's Newfoundland and Labrador province.

The Copernicus Sentinel-1 mission captured this image over the Bering Strait, which connects the Pacific and Arctic Oceans between Russia and the U.S. state of Alaska.

In honor of the final days of the 2018 Winter Olympics, this false-color image shows Pyeongchang county and the surrounding territory in South Korea currently hosting the event.

Since the Winter Olympics were first held in 1924, they only have been hosted twice in Asia, both times in Japan. This year, the games finds a new home in South Korea, in the northeastern cities of Pyeongchang and Gangneung.

In what's being hailed as a major breakthrough in Maya archaeology, researchers have identified the ruins of more than 60,000 houses, palaces, elevated highways and other human-made features that have been hidden for centuries under the jungles of northern Guatemala.

This image from the Copernicus Sentinel-2 satellite, recorded on Aug. 29, 2017, shows how the river branches off into numerous channels that meander through the low-lying terrain on their way to the sea.

Ships churning through the Atlantic Ocean produced this patchwork of bright, criss-crossing cloud trails off the coast of Portugal and Spain.