Rugged, textured, and endlessly photogenic, the "boulders" tag gathers puzzles that celebrate large rocks and stony landscapes. Expect coastal rock formations, riverbeds, mountain scree, and weathered cliff faces—often shot close-up to highlight lichen, cracks, and shadow-play or wide-angle to show scale and drama. Colors range from earthy grays and ochres to mossy greens and sea-swept blues. Mood can be serene and ancient or raw and adventurous. These puzzles reward attention to texture, pattern, and subtle tonal shifts—perfect for puzzlers who love natural detail and tactile visuals.