Trophy room pops up under Longfellow Bridge

A hidden prize has popped up under a Boston landmark.

A trophy room can now be found under the Longfellow Bridge.

Dozens of vintage gold and silver sports trophies have been set up on four large, metal shelves.

It all appears to be part of a street art project that started in May.

The exhibit can be seen from the sidewalk under the bridge, on the Cambridge side.