First - Caspar David Friedrich, The Abbey in the Oakwood, 1809-1810, oil on canvas, 43 x 67 in. (110 x 170 cm), credit: Alte Nationalgalerie, Berlin.

Second - This is not a romantic painting (a reference to Hiroshima, 1945), watercolor, 14 x 17 in. (36 x 43 cm)