This art history video dicussion examines Georgia O'Keeffe's "The Lawrence Tree", oil on canvas, 31 x 40 inches, 1929 (Wadsworth Atheneum, Hartford). Painted in the summer of 1929 while visiting D.H. Lawrence at his Kiowa Ranch during O'Keeffe's first trip to New Mexico, the tree stands in front of the house.

This art history video dicussion examines "Orsanmichele", Florence, 1349 loggia (1380-1404 upper stories).

This art history video dicussion examines "Painted Garden, Villa of Livia", fresco, 30-20 B.C.E. (Museo Nazionale Romano, Palazzo Massimo, Rome). Plant species include: umbrella pine, oak, red fir, quince, pomegranate, myrtle, oleander, date palm, strawberry, laurel, viburnum, holm oak, boxwood, cypress, ivy, acanthus, rose, poppy, chrysanthemum, chamomile, fern, violet, and iris.

This art history video dicussion examines "Pair of Centaurs Fighting Cats of Prey" from Hadrian's Villa, mosaic, c. 130 B.C.E. (Altes Museum, Berlin).

This art history video discussion looks at Parmigianino's "Madonna of the Long Neck" (Uffizi, Florence).

This art history video dicussion examines Parmigianino's "Self-Portrait in a Convex Mirror", oil on panel, 1524 (Kunsthistorisches Museum, Vienna).

This art history video dicussion examines Charles Willson Peale's "Staircase Group" (Portrait of Raphaelle Peale and Titian Ramsay Peale), 1795, oil on canvas (Philadelphia Museum of Art).

This art history video discussion examines "The Pergamon Altar", c. 200-150 B.C.E. (Pergamon Museum, Berlin).

In this art history video discussion Beth Harris and Steven Zucker look at Sir Peter Paul Rubens' "The Rape of the Daughters of Leucippus," 1617-18, oil on canvas. Alte Pinakothek, Munich.

This art history video presents a conversation between Salman Khan and Steven Zucker about sculpture and the language of representation. They examine Pablo Picasso's "Guitar" (1912-) 1914, made of ferrous sheet metal and wire. It's currently at the The Museum of Modern Art.

This art history video discussion examines Pablo Picasso's "Les Demoiselles d'Avignon", 1907 (Museum of Modern Art).

This art history video discussion looks at Pablo Picasso's "The Reservoir (Horta de Ebro)", oil on canvas, summer 1909 (MoMA).

This art history video discussion looks at Piero della Francesca's "Portraits of the Duke and Duchess of Urbino", Federico da Montefeltro and Battista Sforza, 1467-72, tempera on panel (Galleria degli Uffizi, Florence).

This art history video discussion looks at Piero della Francesca's "The Baptism of Christ", 1450s, tempera on wood, 167 x 116 cm (National Gallery, London).

This art history video discussion examines Pierre Le Gros the Younger's "Stanislas Kostka on His Deathbed", 1703, upstairs at Bernini's Sant'Andrea al Quirinale.

This art history video lecture Dr. Steven Zucker and Dr. Beth Harris discuss Pietro Lorenzetti's Birth of the Virgin (c. 1342, tempera on panel) for the altar of St. Savinus in Siena Cathedral (now in the Museo dell'Opera del Duomo, Siena).

This video lecture looks at the painting techniques of Jackson Pollock: "One: Number 31, 1950". Abstract Expressionist New York. The Museum of Modern Art, October 3, 2--April 11, 2011. Filmed by Plowshares Media Images courtesy of Pollock-Krasner Foundation/Artists Rights Society (ARS), New York; and The Museum of Modern Art, New York. Music by Chris Parrello Chris Parrello, Ian Young, Kevin Thomas, Ziv Ravitz.

This art history video discussion examines Polykleitos' "Doryphoros (Spear-Bearer)," Roman marble copy after a Greek bronze original from c. 450-440 B.C.E. (Museo Archaeologico Nazionale, Naples).

This art history video discussion looks at Pontormo's "Entombment (or Deposition from the Cross)", oil on panel, 1525-28 (Capponi Chapel, Santa Felicita, Florence).