Zipaquirá’s stunning Catedral de Sal, 190m underground, was carved by removing 250,000 tons of salt; the resulting space is cinematically lit and packs a lot of ecclesiastical wow throughout its cavernous chapels and naves. It’s highlighted by the largest cross ever built in an underground church.The Catedral de Sal, Zipaquirá wasl built in the tunnels of a salt mine. Construction began in 1950, and there are 14 small chapels, a dome, and three naves, one of which holds a huge, illuminated cross.