SKYDB
Data backbone

Other information
besides just buildings.

SKYDB is built from regions, companies, photos and the dictionary that ties them together. Pick a thread to pull.

Explore database →
RegionsBrowse every region on file→
CompaniesArchitects, developers, engineers→
Photos & RenderingsImagery from around the world→
DefinitionsTerms and concepts explained→
LicensingHow to license the data backbone→
New toolHeatmap modeSee structure density visualised across cities - beta.
Try heatmap →
Buildings, everywhere.

Unlimited ways
to discover.

Browse the top 1000 tallest, search for any building by name or attribute, or explore city-by-city statistics.

Explore buildings →
Search formFind content with ease.→
Top 1000 SkyscrapersUpdated as new towers complete→
Biggest CitiesView city-related statistics→
Biggest CountriesNational rankings + records→
RegionsBrowse buildings by region→
CompaniesArchitects, developers, engineers→
For SKYDB Premium usersChannelsChannels organize buildings across cities and countries by height or theme. Their building lists are available with SKYDB Premium.
Browse channels →
SKYDB Community

Where accuracy
comes from.

We are what makes SKYDB stand apart. Editors who care about buildings and care more about getting them right. Same standards, same care.

Community →
EditorsA community which matters→
MembershipsElevate your possibilities→
How to submitWhat we need and how to send it→
Add buildingLaunch the object tool→
Upload photosSubmit missing images→
My contentEverything you added and edited→
SpotlightFeatured PersonalityMarshall Gerometta is "the brain" when it comes to heights. As a veteran in the field, he also maintains the world's official list of the tallest skyscrapers.
Explore his work →
Since 30 years

The source
for tall buildings

SKYDB is creating the world's most comprehensive and deepest database of tall buildings. Used by professionals, maintained by experts.

Who we are →
Who we areExperts in the field→
Pricing and ServicesGet access to paid options.→
DefinitionsHow we measure and verify→
Knowledge BaseArticles + tutorials→
Get the NewsLatest announcements→
ContactReach out to the team.→
Featured activitySKYDB AwardsThe best skyscrapers of the world. Selected every year by SKYDB and its community members.
Visit the page →

317,019 tall buildings

Join SKYDB

Photos of Alphatoren

Shown building: Alphatoren in Enschede

View Alphatoren
JanFebMarAprMayJunJulAugSepOctNovDec
2005 11 2 3 4 2
2006 45 3 2 7 1 3 3 13 10 3
2007 55 8 6 3 5 7 11 2 1 12
Photos per month:less more
Search form:
  1. Photo 115-793-857
    Photo 115-793-857
    René Hogendijk
  2. Photo 323-661-996
    Photo 323-661-996
    René Hogendijk
  3. Photo 613-294-226
    Photo 613-294-226
    René Hogendijk
  4. Photo 745-492-340
    Photo 745-492-340
    René Hogendijk
  5. Photo 597-845-024
    Photo 597-845-024
    René Hogendijk
  6. Photo 244-161-369
    Photo 244-161-369
    René Hogendijk
  7. Photo 456-629-756
    Photo 456-629-756
    René Hogendijk
  8. Photo 657-788-485
    Photo 657-788-485
    René Hogendijk
  9. Photo 206-891-469
    Photo 206-891-469
    René Hogendijk
  10. Photo 827-596-821
    Photo 827-596-821
    René Hogendijk
  11. Photo 547-151-649
    Photo 547-151-649
    René Hogendijk
  12. Photo 129-823-885
    Photo 129-823-885
    René Hogendijk
  13. Photo 531-705-129
    Photo 531-705-129
    René Hogendijk
  14. Photo 913-635-571
    Photo 913-635-571
    René Hogendijk
  15. Photo 138-779-368
    Photo 138-779-368
    René Hogendijk
  16. Photo 466-852-727
    Photo 466-852-727
    René Hogendijk
  17. Photo 819-614-152
    Photo 819-614-152
    René Hogendijk
  18. Photo 627-246-151
    Photo 627-246-151
    René Hogendijk
  19. Photo 379-934-653
    Photo 379-934-653
    René Hogendijk
  20. Photo 143-116-297
    Photo 143-116-297
    René Hogendijk
  21. Photo 226-078-127
    Photo 226-078-127
    René Hogendijk
  22. Photo 405-539-452
    Photo 405-539-452
    René Hogendijk
  23. Photo 630-294-732
    Photo 630-294-732
    René Hogendijk
  24. Photo 907-774-664
    Photo 907-774-664
    René Hogendijk
  25. Photo 246-921-358
    Photo 246-921-358
    René Hogendijk
  26. Photo 520-819-502
    Photo 520-819-502
    René Hogendijk
  27. Photo 406-207-124
    Photo 406-207-124
    René Hogendijk
  28. Photo 390-887-526
    Photo 390-887-526
    René Hogendijk
  29. Photo 435-113-322
    Photo 435-113-322
    René Hogendijk
  30. Photo 215-964-275
    Photo 215-964-275
    René Hogendijk
  31. Photo 403-724-598
    Photo 403-724-598
    René Hogendijk
  32. Photo 739-528-708
    Photo 739-528-708
    René Hogendijk
  33. Photo 838-600-636
    Photo 838-600-636
    René Hogendijk
  34. Photo 131-157-683
    Photo 131-157-683
    René Hogendijk
  35. Photo 238-654-547
    Photo 238-654-547
    René Hogendijk
  36. Photo 118-785-400
    Photo 118-785-400
    René Hogendijk
  37. Photo 472-226-277
    Photo 472-226-277
    René Hogendijk
  38. Photo 902-806-540
    Photo 902-806-540
    René Hogendijk
  39. Photo 564-034-316
    Photo 564-034-316
    René Hogendijk
  40. Photo 824-114-476
    Photo 824-114-476
    René Hogendijk
  41. Photo 272-244-438
    Photo 272-244-438
    René Hogendijk
  42. Photo 117-916-941
    Photo 117-916-941
    René Hogendijk
  43. Photo 673-142-504
    Photo 673-142-504
    René Hogendijk
  44. Photo 970-371-012
    Photo 970-371-012
    René Hogendijk
  45. Photo 878-790-707
    Photo 878-790-707
    René Hogendijk