The subway concourse at Walnut Street Station in Philadelphia is supported by about 200 concrete columns, which are holding up South Broad Street. Each is now painted with artistic designs, as part of ...

Elena Soboleva (@elenasoboleva) is a Contemporary Art Specialist at Artsy, an online platform for discovering, learning about, and collecting art. She visited Daniel Heidkamp’s studio recently. “I ...

Under the Hawthorne Bridge on Portland’s Central Eastside, there’s an open-air art gallery quietly waiting as cars rumble above and the trains roll through. Graffiti turns the sides of warehouse ...