This document discusses biomimetic architecture, which seeks to apply principles found in nature to architecture and design problems. It provides examples of biomimetic architecture at different levels: organism level looks to individual organisms like termite mounds for passive cooling inspiration; behavior level mimics how organisms interact with environments; and ecosystem level mimics interconnected environmental systems. Major examples given include bullet trains shaped like kingfisher heads, wind turbines modeled after humpback whales, and antimicrobial films inspired by shark skin. Biomimetic architecture is important because it can provide more sustainable solutions by emulating nature's successful models that have evolved over billions of years within Earth's limits.