San Sebastiano fuori le Mura:
Cappella Albani

Map
Cappella Albani, church of San Sebastiano fuori le Mura, Rome
Cappella Albani
The highly ornate Cappella Albani, in the church of San Sebastiano fuori le Mura, is dedicated to Pope St Fabian (r. 236-50).

The Cappella Albani, the last chapel on the right, was built at the behest of Pope Clement XI (r. 1700-21) by Carlo Fontana (1638-1714). Following Fontana's death, the chapel was completed by Alessandro Specchi (1668-1729) and Filippo Barigioni (1690-1753). 
Statue of Pope St Fabian, Albani Chapel, church of San Sebastiano fuori le Mura, Rome
Statue of Pope St Fabian
The statue of Pope St Fabian is by Pietro Francesco Papaleo (fl. 1694-1716). 
Vault, Albani Chapel, church of San Sebastiano fuori le Mura, Rome
Dome
The interior of the beautiful dome is decorated with intricate stucco work. The pendentives bear tondi containing portraits of virgin martyrs. The drum has four windows, separated by four tablets identifying the martyrs and with each topped by a crown and crossed palms