And they're all carved out of salt. Colombia's Salt Cathedral is located about 600 feet underground, in a former salt mine in Zipaquirá, just outside Bogotá.

Salt from these mines paid for the military campaigns of the liberators Simón Bolívar and Antonio Nariño, who brought independence to Colombia, Ecuador, Peru and Venezuela, Rodriguez said.

And they're all carved out of salt. Colombia's Salt Cathedral is located about 600 feet underground, in a former salt mine in Zipaquirá, just outside Bogotá.

Book Description: In republican Colombia, salt became an important source of revenue not just to individuals, but to the state, which levied taxes on it and in some cases controlled and profited from ...

And they're all carved out of salt. Colombia's Salt Cathedral is located about 600 feet underground, in a former salt mine in Zipaquirá, just outside Bogotá.

If you can’t get enough of abandoned salt mines, it also offers a tour to the former salt mine in Nemocon. Both tours start at $58; there’s a 10 percent discount for cash. From $58 a person.

And they're all carved out of salt. Colombia's Salt Cathedral is located about 600 feet underground, in a former salt mine in Zipaquirá, just outside Bogotá.

And they're all carved out of salt. Colombia's Salt Cathedral is located about 600 feet underground, in a former salt mine in Zipaquirá, just outside Bogotá.