Translation of penis in Spanish

I am trying to learn Spanish because Spanish is becoming more and more important in the USA because of immigrants. Especially here in Texas. I used to live in Nevada for many years. Boring place, gotta tell ya.
We agreed to meet the next day at seven thirty to avoid the crowds at the entrance. Dinner was great. We went to a restaurant on the main street. The building was French architecture.
We had decided to fly to Lima (instead of Buenos Aires, Argentina) and to visit Machu Picchu just a few weeks before leaving Europe.