Black and white photograph of a street from a second-floor balcony. A crowd of people are standing next to two automobiles parked on the street, with several people standing or sitting next to chairs at tables on one side of the street.

Black and white photograph of a crowd of people standing on a cement dock next to a warehouse. One of the warehouse garage doors are open and people are visible standing inside the warehouse.

Black and white photograph of the view east from Uxmal Station Elena. A partially curved stone roof with pointed roof decorations is visible above a forest.

Black and white photograph of a forest taken from a rooftop at Uxmal Station Elena. A stone ledge is visible at the bottom of the image. Two structures are visible in the forest.

Black and white photograph of a forest from above.

Black and white photograph of a forest from above.

Black and white photograph of the corner of the rooftop of ruins. A person is visible in the bottom right corner of the image. A small wall is built on the edge of the building with three round arched holes. Bells are visible in the lower two arches.…

Black and white photograph of seven people standing around a telescope on top of a curved stone roof. Two people are visible to the left of the curved portion of the roof next to a bell tower. A forest is visible in the background.

Black and white photograph of the ruins of a stone, two-story building with multiple doors in the stone structure. A dirt path leads up to the structure with smaller structures on either side of the path. The photo is taken looking through a…

Black and white photograph of the ruins of a stone structure with multiple doors along the side of the structure. Carvings are visible in parts of the stone.

Black and white photograph of the ruins of a stone building. Five doorways are visible on this side of the structure with cloth hanging to form doors. A smaller structure is visible on top of the main structure, and carvings are visible on every area…

Black and white photograph of the stone house of Ida Merrill Hewitt, sister of Robert H. Merrill. A woman, likely Ida, is sitting in a chair in front of the house, and there are several palm trees in front of the house.

Black and white photograph of the front of the house of Ida Merrill Hewitt, sister of Robert H. Merrill. A paved path leads to the front porch.

Black and white photograph of the front of the house of Ida Merrill Hewitt, sister of Robert H. Merrill. A paved path leads to the front porch.

Black and white photograph of New York City buildings, taken by Robert Merrill from Metropolitan Tower in Manhattan.

Black and white photograph of Kansas City train station. Taken by Robert Merrill from the south.

Black and white photograph of Kansas City train station. Taken by Robert Merrill from the east.

Black and white photograph of a horse-drawn coach in North Cheyenne Canyon Park, Colorado Springs, Colorado. Four men are visible seated inside the coach.

Black and white photograph of a group of three men standing on a bridge at Helen Hunt Falls in North Cheyenne Canyon, Colorado Springs, Colorado.

Black and white photograph of a horse-drawn coach at Captain Jack's in Colorado Springs, Colorado. Three men are seated in the coach, and another man is standing next to the horses.

Black and white photograph of the Antlers Hotel in Colorado Springs, Colorado. The Cheyenne Hotel is visible on the right.

Black and white photograph of the gate to Garden of the Gods in Colorado Springs, Colorado. A large rock structure towers next to a roadway, where three automobiles are parked.

Black and white photograph of the gate to Garden of the Gods in Colorado Springs, Colorado. Large rock structures jut out of the ground next to the roadway.

Black and white photograph of a group of three men at the Manitou Cliff Dwellings. Several petroglyphs can be seen to the left of the group.