The world's largest salt flat plays two roles: in the dry season, a blinding white geometry of hexagons stretching past the curvature of the earth; after rain, December to March, a mirror so perfect that 4x4s appear to drive across the sky. Standard three-day tours from Uyuni add flamingo-flecked lagoons and a night in a hotel built entirely of salt. At 3,650 metres the altitude is real, so arrive acclimatised from La Paz or Sucre. Sunglasses are non-negotiable; the glare is biblical.
Featured in Ten desert adventures worth the sand in your boots · Adventure