Termites build enormous, complex mounds with ventilation systems, creating stable environments for their colonies of millions.
Octopuses build dens in the ocean floor, using rocks and shells to create hidden, secure hiding spots for rest and reproduction.
Spiders build various types of webs, from intricate orb webs to funnel-shaped burrows, to trap prey and protect themselves.
Coral reefs, built by tiny coral polyps, form massive underwater structures that provide homes for countless marine species.
Bees create hexagonal hives from beeswax, where they store honey, raise their young, and maintain the colony's structure.
Beavers construct elaborate dams and lodges from branches, mud, and tree trunks, creating secure homes in and around water.
Ants are master architects, building intricate underground tunnels and vast colonies with specialized chambers for nurseries, food storage, and the queen.