A dignified triple portrait by George Catlin documenting the ceremonial dress and presence of Sioux leaders.

This 1755 oil portrait by Mattheus Verheyden captures an elegant gentleman in sumptuously embroidered silk before his sprawling country estate.

A tender and expressive portrait of two generations captured with the masterful brushwork of Anders Zorn.

A characterful 19th-century portrait of a soldier in uniform, capturing a quiet moment of repose.

A lively 19th-century watercolor by Thomas Rowlandson capturing the spirited movement of soldiers and their families on a march.

This evocative watercolor by Winslow Homer captures three girls on the Tynemouth coast beneath a dramatic, gathering storm.

An elegant 19th-century portrait of Empress Maria Alexandrovna in a luminous lace gown by the celebrated court painter Franz Xaver Winterhalter.

An elegant 19th-century portrait of a young nobleman, capturing the refined style and scholarly interests of the era.