The Gateway Arch: A Reflection of America is a compelling, visually rich documentary from 2006 that investigates the iconic Gateway Arch in St. Louis, Missouri. The movie is hosted and narrated by acclaimed actor Kevin Kline, also a St. Louis native, lending the film an air of authenticity and recognizable charm. This heartfelt tribute to one of America's most iconic structures serves as a celebration of the innovation, ambition, and resilience that shaped the arch and, by extension, America itself.

The film explores a variety of facets related to the Gateway Arch, from the historical context that shaped its creation to the herculean efforts implemented during construction. It delves into the blueprint behind the monument’s design, conceptualized by architect Eero Saarinen, and weaves a compelling narrative around the pathway to its realization. The arch, in this presentation, serves as a symbol of the pioneering spirit of Americans, reflecting the bold exploration and westward expansion of the 19th-century United States.

Through a blend of archival footage, interviews, and artistic visual storytelling, the film studies the grandeur of this 630-foot tall monument, the largest man-made monument in the United States. The film impeccably delivers its story in a balanced, well-structured manner, going beyond the sheer physicality of the arch to unravel the human stories and dreams connected to its creation. Viewers gain an intimate understanding not merely of the technical aspects of the construction but more importantly, of the cultural, social, and historical impacts of this incredible structure.

Against the backdrop of the Cold War era, the movie paints a picture of the sociopolitical climate during the early stages of the monument's design and its eventual completion in the mid-60s. We are offered an insightful account of the trials and triumphs involved in the project, highlighting how the monument stood as a beacon of aspiration and unity amidst turbulent times. The film appreciates the audacity, perserverance, and technical prowess required to tackle this ambitious project and ensures the human drama associated with the construction isn't overshadowed by the marvel of engineering.

The Gateway Arch: A Reflection of America beautifully employs Kevin Kline’s narration, along with stunning visuals, to bring alive the vision of creating an infrastructural marvel while dealing with the lurking risks and invigorating successes intrinsic to the venture. The documentary vividly portrays the community's excitement and the nation's pride over the completion of the arch, transforming the skyline and effectively mirroring the triumphant spirit ingrained in American culture.

Besides the interesting technical aspects and historical relevance, the film also offers viewers a compelling exploration of the lives of the men who risked their lives to build the monument. These personal narratives, interspersed with the broader perspective of the project, serve to humanize this already deeply personal venture and imbibe a sense of awe and admiration for the heroes behind the iconic symbol.

The film further makes a grand exploration of the various influences which have defined American architecture, tracing its roots back to the architecture of Ancient Greece and Rome. It showcases how these influences converged in the ingenious design of the Arch.

The Gateway Arch: A Reflection of America is a touching tribute to a formidable symbol of modern America that, with its profound insight into the spirit and resolve powering the nation, ensures a mesmerizing viewing experience. It serves as a poignant reminder of the power of human aspiration and the indomitable American spirit that continues to carve out new possibilities against all odds.

To conclude, this documentary is an enlightening visual expedition that paints a layered, comprehensive portrait of an American symbol. It delivers a vivid portrayal of human strength, ambition, and technical prowess, which are aptly encapsulated in the magnificent structure of the Gateway Arch. Nestled within these elements, the narrative embodies a deeply moving reflection of the American spirit and history that continues to inspire us till date. As a result, The Gateway Arch: A Reflection of America offers an unmissable journey for anyone with a keen interest in American history, architectural wonders, or human perseverance.