It is ancient- almost 100 years old, but amazing that it is still functioning better than ever. They are actually widening it to have 3 lanes instead of two. 

Arriving at the Gatun Locks at 10 PM. We were the last customer that night.

The massive doors close behind the Titi Nui.

Joy waves at her spouse 3000 miles away via webcams installed at each lock.

Tense moments at the helm when one of the line handlers slacks off, causing me to have to power the boat away from a wall. Huge currents fill the chambers and the boat may pitch at any time. We finally set anchor at 2 a.m.