Sigmund Freud's couch in his study at 20 Maresfield Gardens in London

Emily Dickinson's only surviving dress at the Amherst Historical Society in Amherst, Mass

A red hill behind O’Keeffe’s Ghost Ranch, New Mexico, that looms large in her paintings

A pigeon skeleton from Charles Darwin’s collection at the Natural History Museum in Tring, England

The gloves Lincoln wore the night he was assassinated

ANNIE LEIBOVITZ
from Pilgrimage, 2011