When evaluating the longevity of sculptures, the choice of medium plays a crucial role. Metal sculptures, often crafted from bronze, steel, or aluminum, are renowned for their durability and resistance to environmental factors. Unlike wood, which is prone to rot, insects, and warping, or stone, which can erode over time due to weathering, metal sculptures withstand the test of time with minimal maintenance.

Bronze, for instance, develops a protective patina that shields it from corrosion, while stainless steel resists rust and retains its structural integrity for decades. Wood sculptures, though warm and organic, require regular treatments to prevent decay, while stone sculptures, though sturdy, can crack or wear down in harsh climates.

Artists often choose metal for outdoor installations due to its resilience, whereas wood and stone may be preferred for indoor or temporary displays. Ultimately, metal sculptures offer unparalleled longevity, making them a favored medium for enduring artistic expression.