US Wildfire Map
Where have wildfires hit hardest over the past decade? This US wildfire map tracks hotspots from 2015 to 2025, with California most dense.
Country Maps
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US Mountains Map
Mountains define half of America’s landscape. Our US mountains map shows where the Rockies, Appalachians, and other ranges overlap.
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US Elevation Map
Elevation in the United States ranges from sea level to high mountain peaks. Our US elevation map shows terrain in the United States.
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US Terrain Map
Our map of U.S. terrain covers all 48 contiguous states. It highlights major landforms, from mountain ranges to broad plains.
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US Air Quality Map
Air quality in the United States varies widely by region. Our map of US air quality shows PM 2.5 concentrations over nearly two decades.
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Printable US Map
Our printable US map shows the full layout of the country in one clean view. It focuses on state boundaries and overall geography.
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Puerto Rico and Virgin Islands Territory Acquisition Map
Our territory acquisition map shows these Caribbean islands that became US territories after a war with Spain and a purchase from Denmark.
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Hawaii Annexation 1898 Map
Our Hawaii Annexation of 1898 map displays this chain of islands surrounded by the Pacific Ocean far from the mainland United States.
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Alaska Purchase 1867 Map
The US bought Alaska from Russia for about $7 million. This added massive northern territory way up by the Arctic in our Alaska Purchase map.
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Gadsden Purchase 1853 Map
Our Gadsden Purchase map shows a small strip along the bottom of Arizona and New Mexico that the US bought from Mexico.
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Mexican Cession 1848 Map
Our Mexican Cession 1848 Map shows how it included California, the Pacific Coast, and a bunch of mountains and deserts in between.
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Oregon Territory 1846 Map
The US and Britain split up the Pacific Northwest in 1846. Our Oregon Territory 1846 map shows how it links the Pacific Coast to the Rockies.
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Texas Annexation 1845 Map
Texas was its own country for almost ten years. Our Texas Annexation 1845 map shows how it reshaped the southern edge of the United States.
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Treaty of Adams-Onis 1819 Map
Our Treaty of Adams-Onis 1819 map shows the U.S. acquiring the Atlantic coast. America finally controlled the southeastern corner.
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Treaty of 1818 Map
Our Treaty of 1818 map shows land that came from a deal with Britain in 1818. This treaty set the northern border at the 49th parallel.
