Interior of St. Peter's Basilica in Rome

Interior of St Peter's Basilica in Rome is among the most architecturally demanding subjects in Panini's repertoire — a vast enclosed space that dwarfs the human figure and presented significant perspectival challenges. Panini returned to this subject multiple times across his career, and the Ca' Rezzonico version — held in the great Venetian palace-museum on the Grand Canal — represents one of these sustained engagements with the defining interior of Baroque Rome. Ca' Rezzonico is itself a monument of the eighteenth century, housing one of the finest collections of Venetian Rococo art, and the presence of a Panini in its collection reflects the cross-regional collecting of Italian painting within the peninsula. The interior view of St Peter's required Panini to render Bernini's colonnaded nave, baldachin, and apse in convincing perspectival depth.

Oil on canvas, with the interior subject requiring precise perspectival construction to convey the basilica's colossal scale. Bernini's baldachin — in dark bronze — creates a strong central mass against the lighter stone and fresco of the nave and dome. Human figures in the nave establish scale while animating the architectural spectacle.