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SKYDB Building database

Tall buildings worldwide, with heights, construction status and the companies involved.

Rankings of tall buildings

Tall Building Markets

Tall buildings, tracked.

SKYDB is collecting verifiable information about buildings.

Rankings of tall buildings

World’s tallest skyscrapersTallest under constructionTallest planned buildingsBiggest citiesBiggest countries

Tall Building Markets

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Tall buildings worldwide, with heights, construction status and the companies involved.

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Research & data

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Professional building research, data exports and API access, plus advertising offerings.

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Using SKYDB

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SKYDB is collecting verifiable information about buildings.

Chongqing skyline beside the riverAbout SKYDB
Panorama of Philadelphia File 020-522-095
structure #851214717building

101 Walnut

existing

Location of 101 Walnut

Object dataJoin to edit

Smart Address101 Walnut Street
Smart Address198 South Front Street
1st Level DistrictCenter City
2nd Level DistrictOld City
CityPhiladelphia
CountryUnited States
Source: SKYDB | As of: 2026-09-24

Rating

The rating reflects architectural quality and visual impact as judged by SKYDB users, and feeds into how this building is ranked across the site.

Files Join to upload

  1. Photo 943-658-161
    John W. Cahill
  2. Photo 461-527-647
    James Peacock
  3. Photo 175-737-254
    John W. Cahill
  4. Photo 998-537-486
    John W. Cahill
  5. Photo 630-578-514
    John W. Cahill
  6. Photo 016-787-962
    John W. Cahill
  7. Photo 299-254-162
    John W. Cahill
  8. Photo 813-213-292
    John W. Cahill
  9. Photo 202-617-526
    John W. Cahill