Landforms & Water
Gulf vs. Bay vs. Fjord
Stand on a windy headland and scan the coastline: some inlets are open and sweeping, others curl inward like a clasped hand, and a few cut like narrow…
Geography hub
Landforms & Water
Rivers, lakes, seas, coasts, mountains, valleys, deserts, and more—concise explainers and case studies with maps, cross-sections, and quick facts.
Landforms & Water
Where Is the Black Sea?
Where Is the Black Sea? It sits at the crossroads of Southeastern Europe and Western Asia. Specifically, it spans roughly 40.9°–46.5° N latitude and 27.5°–41.7° E longitude. In…
Explainers & Big Questions
Oksukon Lake: Salt & Therapeutic Mud
Oksukon Lake (Tajik: Кӯли Оксукон) is a 3.4 sq mi (8.9 km²) salt-mud lake in Tajikistan’s Asht District, Sughd Region, on the right bank of the Syr Darya…
Landforms & Water
Tanganyika: Second Deepest Lake in the World
Imagine plunging over 4,800 feet beneath the surface of a freshwater expanse so vast it spans four countries. Lake Tanganyika holds this spectacular record as the second deepest…
Explainers & Big Questions
Atolls & Coral Formation: Mapping Nature’s Ringed Islands
What is an atoll? An atoll is a ring-shaped coral reef, island, or series of islets encircling a central lagoon, formed as volcanic islands gradually subside and reefs…
Explainers & Big Questions
Kamchatka’s Valley of Geysers, Russia: The World’s Second-Largest Geyser Field
What is the Valley of Geysers? It’s the world’s second-largest concentration of geysers—about 90 active vents packed into a 3.7-mile canyon—fuelled by heat from Kamchatka’s volcanoes. Nestled in…
Explainers & Big Questions
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…
Explainers & Big Questions
Geographical Area: Definition, Types & Examples
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…
Explainers & Big Questions
Where is the Lowest Point in the World?
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…
Explainers & Big Questions
Which Country Has the Most Volcanoes?
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…