SKYDB Building database
Tall buildings worldwide, with heights, construction status and the companies involved.
Rankings of tall buildings
Tall Building Markets
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Tall buildings, tracked.
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Rankings of tall buildings
World’s tallest skyscrapersTallest under constructionTallest planned buildingsBiggest citiesBiggest countriesTall Building Markets
Global building statisticsBiggest cities worldwideCountry market overviewsConstruction activityAnnual completionsTall buildings worldwide, with heights, construction status and the companies involved.
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Research & data
Research with SKYDB InsightsData ExportsAPI AccessCreditsInteractive building mapConsulting & advertising
ConsultingSKYDB BrandingBanner advertisingContact SKYDBInsights questions & answersProfessional building research, data exports and API access, plus advertising offerings.
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About SKYDB
Who we areTeam and editorsSKYDB AwardsNewsletterContactUsing SKYDB
Coverage and focusSources and qualityHow to add contentDefinitions and standardsKnowledge baseSKYDB is collecting verifiable information about buildings.
Free map access
Locate individual buildingsView building factsFind places & addressesHow to use the mapJoin SKYDBUpgrade your map experience
Filter by height, use and statusDisplay city and district boundariesControl map layers and pin stylesEdit pinpoints and building footprintsMembershipsExplore all projects on an interactive map anywhere on earth.
Connected to Illinois State Prison in Alton
2,048 × 1,152 px·1.61 MB·JPEG·615-631-475
Keywords Illinois State PrisonAltonIllinois
