Black and white photograph of a narrow chasm. A bridge path runs along the rock wall on the right side of the image. Two people are visible on the bridge.

Black and white photograph of two women standing next to a chasm river. A rock wall is behind them. A wooden bridge is visible over the river where the chasm narrows.

Black and white lantern slide of a map of flying routes over Yucatan, Mexico.

Black and white photograph of a tree-filled landscape intersected by roads taken from an airplane.

Black and white photograph of a horizon line with buildings and roads visible in the foreground.

Black and white lantern slide of the entrace to the Forbiddin City in Peking (Beijing), China. A tall carved pillar with wings stands in a courtyard guarded by a Foo Dog statue in front of a large building with a tiered, sloped roof.

Black and white photograph of Fort Niagara, taken by Robert Merrill from the steamer Cayuga. Waves are visible in the foreground.

Black and white lantern slide of Fort Yellowstone, Wyoming.

Black and white photograph of a northeast view of the ruins of the Roman Forum in Italy.

Black and white photograph of a southweat view of the ruins of the Roman Forum in Italy.

Black and white photograph of Foster Memorial Park, Babylon, Long Island. A grass area with trees is shown next to a paved area.

Black and white photograph of the fountain at Villa d'Este.