What Is the Largest Desert in the World?
If you picture endless dunes when you hear “desert,” you’re only half right. Some deserts are white with ice, not yellow with sand. The key is dryness, not…
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Rivers, lakes, seas, coasts, mountains, valleys, deserts, and more—concise explainers and case studies with maps, cross-sections, and quick facts.
If you picture endless dunes when you hear “desert,” you’re only half right. Some deserts are white with ice, not yellow with sand. The key is dryness, not…
When you read that a policy works “in your area,” what is that “area,” exactly? A neighborhood? A county? A river basin? In geography and data analysis, a…
The quest to identify the world's lowest points is a fascinating journey across diverse geographies. From the hypersaline waters of the Dead Sea to the mysterious depths of…
People ask this a lot—and get different answers. That’s because “most volcanoes” can mean (1) the most volcanoes known to have erupted in the last ~12,000 years (the…
The Caspian Sea sits between the Caucasus and Central Asia and touches Russia, Kazakhstan, Turkmenistan, Iran, and Azerbaijan. It behaves like a lake, is called a sea, and…
The Caucasus sit between the Black Sea and the Caspian Sea, a rugged bridge where empires, languages, and tectonic plates meet. Stretching roughly 750 miles (1,200 kilometers), the…
Just east of Yerevan, a river canyon slices through a 127,000-year-old lava flow and reveals an organ-pipe wall of stone. Locals call it the “Basalt Organ,” others the…
Lake Sev (Armenian: Սև լիճ, romanized: Sev lich; Azerbaijani: Qaragöl; both meaning "black lake") is a lake situated on the border between Armenia and Azerbaijan. The majority of…
Lake Parz (Armenian: Պարզ լիճ, romanized: Parz lich, lit. 'Clear Lake') is a small, serene lake located in the Dilijan National Park, situated east of the town of…
Lake Kari (Armenian: Քարի լիճ, K’ari lich, literally “Stone Lake”) sits high on the southern slopes of Mount Aragats in Armenia, a compact alpine lake framed by moraines…