Maps of the US
A side-by-side world maps show how global trade has changed since 2000. China has rapidly expanded its influence, becoming the top trading partner for much of the world – overtaking both the U.S. and the EU in many regions.
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China started building railways in the 19th century – just like the Untied States – but when it comes to high-speed rail, it’s left the U.S. in the dust.
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It’s hard to believe, but until 1967, marrying someone of a different race was still illegal in parts of the U.S. This map shows where those bans were still in place just one year before the Supreme Court struck them down for good.
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Steel or concrete? A closer look at 743,398 bridges across the U.S. reveals which material wins out – by county. This colorful map based on the latest 2025 National Bridge Inventory shows how bridge-building choices differ from place to place.
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Forecasting hurricanes used to feel like watching a storm through frosted glass. Today, we have a much sharper view. This post explores how the “cone of uncertainty” has narrowed – and what that means for safety, science, and storm prep.
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Ever wondered why Arizona seems to ignore daylight saving time? Or why some towns in Indiana run an hour ahead of their neighbors? This map explains how U.S. time zones work, and why they don’t always make sense.
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This map shows the two remaining U.S. states where you can’t always pump your own gas, and explains why full-service stations still survive in a mostly self-serve country
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Over 100 million Americans suffer from allergies — but where you live can make a big difference. This post explores indoor and outdoor allergy severity across U.S. cities and states using a detailed study by HouseFresh. See how climate, pet ownership, and urban development shape allergy risk, and discover which places are hardest — or easiest — to breathe in.
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When Alaska and Hawaii wanted to become states in 1959, not everyone was happy about it. Alaska got 64 yes votes and 20 no votes. Hawaii did better with 76 yes and 15 no. The maps show most of the opposition came from the South.
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What if state and county borders weren’t just lines, but barriers shaped by elevation, rainfall, and population? This series of 3D maps that do just that—transforming geographic and demographic data into eye-catching visualizations.
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