18A) River flowing through South West France (8) _ O _ D _ C _ E
24D) Landmark in Lexington, Virginia, resting place of a Civil War General (3,6) L _ E / _ H _ P _ L
25D) The Hanged Man, Death, The Devil or The Tower for instance (5,4) T _ R _ T / _ A _ D
36D) Nest of a bird of prey, particularly the eagle (5) E _ R _ E