Topic

Geography & Places

A collection of 99 issues

The Richat Structure: How Astronauts Discovered the Sahara's Giant Eye

A geological wonder in Mauritania, the Richat Structure, or 'Eye of the Sahara,' was unseen until astronauts spotted its 30-mile-wide bullseye from orbit. First mistaken for an impact crater, it is a deeply eroded geological dome formed 100 million years ago.

General Sherman: The Story of Earth's Largest Living Thing

In California's Sequoia National Park, the General Sherman Tree stands as the largest living single-stem tree by volume on Earth. Estimated to be over 2,200 years old, this ancient titan's sheer scale represents a monumental symbol of nature's endurance.

Romania's Movile Cave: An Alien Ecosystem Sealed for 5.5 Million Years

Deep beneath Romania, Movile Cave harbors an ecosystem sealed from the surface for 5.5 million years. In total darkness and a toxic atmosphere, life here is powered not by sunlight but by chemosynthesis, supporting a food web of over 50 unique species.

Nine Years a Nation: The Unfamiliar Story of the Republic of Texas

Before the iconic lone star represented a state, it symbolized a nation. For nearly a decade, Texas was a sovereign country, navigating international diplomacy, creating its own currency, and defining its identity after a revolution, a unique chapter before its voluntary union with the U.S.