Thorny Palm, Tortuguero Park, Costa Rica, March 7, 1984

Red Flower, Vaccinium and Lichen, Paramo, Cerro de la Muerte Park, Costa Rica, March 15, 1984

Portico, Temple of Sethos I, West Thebes, Egypt, January 22, 1973

Temple of Hatshepsut, West Thebes, Egypt, January 24, 1973

Tomb 17, Area K, Ceiling, Constellations, Ceiling of Burial Chamber, Tomb of Sety I, Valley of the Kings, West Thebes, Egypt, 1973

Tomb 17, Area K, Ceiling, Constellations, Ceiling of Burial Chamber, Tomb of Sety I, Valley of the Kings, West Thebes, Egypt, 1973

First Court Pillars, Medinet Habu, West Thebes, Egypt, January 23, 1973

Statues in First Court, Medinet Habu, West Thebes, Egypt, January 24, 1973

Base of Obelisk and Statue of Ramessess II, Entrance to Temple of Luxor, Egypt, January 28, 1973

Base of Obelisk and Statue of Ramessess II, Entrance to Temple of Luxor, Egypt, January 28, 1973

Facade of Temple of Nefertari, Right Side, Abu Simbel, Egypt, January 31, 1973

West Hall, Temple of Ptah, Memphis, Egypt, February 3, 1973

Colossus of Ramesses II, Abu Simbel, Egypt, January 30, 1973

Facade, Right Side, Abu Simbel, Egypt, February 1, 1973

Facade, Right Side, Abu Simbel, Egypt, February 1, 1973

Statue of Ramesses in Forecourt, Karnak, Egypt, January 26, 1973

West Hall, Temple of Ptah, Memphis, Egypt, February 3, 1973

Columns in First Court, Medinet Habu, West Thebes, Egypt, January 24, 1973

Limestone Outcrop in Dry Tropical Forest, Palo Verde Park, Costa Rica, March 14, 1984

Dwarf Bamboo, Paramo, Cerro De La Muerte Park, Costa Rica, March 15, 1984