Which is bigger the Washington Monument or El Obelisco in Buenos Aires?

El Obelisco is bigger than the Washington Monument.

The Washington Monument is 169.294 meters (555 feet 5 1⁄8 inches) tall, including its 10-meter (33-foot) square pyramidion, and 169.048 meters (554 feet 7 3⁄8 inches) to the top of the structure.

El Obelisco is 67.5 meters (221 feet 6 inches).