The first aerial photos of Ostia were taken as early as 1911, from a balloon. They were stitched together to form a photomosaic, and at the bottom the visible buildings were listed. The Fiume Morto (Dead River), an old meander of the Tiber, can be seen very clearly.

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Aerial photographs (a photo mosaic) taken in 1911 from a balloon. Published by E.J. Shepherd in 2006.

A movie of the ruins of Ostia and Portus,      seen from an Airbus 320. - Ostia starts at 0:40 (centre right) - Capo due Rami, where the Fossa Traiana to the south of      Portus meets the Tiber, starts at 1:20 (centre right) - Trajan's hexagonal basin starts at 1:30 (top right)