A door comprising: a first skin including a first skin body portion providing a first outer door surface and a first flange portion connected with and extending inwardly from the first skin body portion, the first skin body portion having a first tip; a second skin including a second skin body portion providing a second outer door surface and a second flange portion connected with and extending inwardly from the second skin body portion, the second skin body portion having a second tip, wherein an end of the first flange portion and an end of the second flange portion have complementary shapes and are interconnected so as to provide an interlocking structure; a glazing unit including one or more panes, the glazing unit having an edge disposed adjacent to, and between, the first tip and the second tip; and an adhesive disposed between the end of the first flange portion and the end of the second flange portion in the interlocking structure; wherein the first skin, including the first skin body portion and the first flange portion, is a unitary molded structure, and the second skin, including the second skin body portion and the second flange portion, is a unitary molded structure; wherein the edge of the glazing unit is disposed adjacent to, and between, the first tip and the second tip without an external frame member for connecting each of the first skin, the second skin, and the glazing unit; wherein an end of the first flange portion comprises a first protrusion, an end of the second flange portion defines a first recess, and the first protrusion is disposed within the first recess thereby forming at least a first portion of the interlocking structure; and wherein the end of the second flange portion includes a second protrusion, the end of the first flange portion defines a second recess, and the second protrusion is disposed within the second recess thereby forming at least a second portion of the interlocking structure. a first skin including a first skin body portion providing a first outer door surface and a first flange portion connected with and extending inwardly from the first skin body portion, the first skin body portion having a first tip; a second skin including a second skin body portion providing a second outer door surface and a second flange portion connected with and extending inwardly from the second skin body portion, the second skin body portion having a second tip, wherein an end of the first flange portion and an end of the second flange portion have complementary shapes and are interconnected so as to provide an interlocking structure; a glazing unit including one or more panes, the glazing unit having an edge disposed adjacent to, and between, the first tip and the second tip; and an adhesive disposed between the end of the first flange portion and the end of the second flange portion in the interlocking structure; wherein the first skin, including the first skin body portion and the first flange portion, is a unitary molded structure, and the second skin, including the second skin body portion and the second flange portion, is a unitary molded structure; wherein the edge of the glazing unit is disposed adjacent to, and between, the first tip and the second tip without an external frame member for connecting each of the first skin, the second skin, and the glazing unit; wherein an end of the first flange portion comprises a first protrusion, an end of the second flange portion defines a first recess, and the first protrusion is disposed within the first recess thereby forming at least a first portion of the interlocking structure; and wherein the end of the second flange portion includes a second protrusion, the end of the first flange portion defines a second recess, and the second protrusion is disposed within the second recess thereby forming at least a second portion of the interlocking structure.