The Challenge Solutions
Thanks to sir_lancealot29 for the solutions!

Cabo San Lucas used to be known as Los Cabos and was home to what sort of people? – Pirates

How can you tell the difference between Mary-Kate and Ashley? – Mary-Kate is left-handed

In what year were Mary-Kate and Ashley born? – 1986

What do you call a pact between people on reality television? – An alliance
What does this mean in English: Los paisajes son muy hermosos? – The Scenery is really beautiful
What is a peninsula? – A landmass surrounded by water on 3 sides
What is the Official name for Mexico? – The United States of Mexico
What kind of Show is "The Challenge" – Survival/Race
What kind of twins are Mary-Kate and Ashley? – Fraternal
What ocean can you see from Cabo San Lucas? – Pacific
What peninsula is Cabo San Lucas on? – Baja
What was the first show to feature Mary-Kate and Ashley? – Full house

When will "The Challenge" be available on DVD? – It's already out

Where is Cabo San Lucas? – Mexico

Which one is older, Mary-Kate or Ashley? – Ashley
Which of the following is a Mary-Kate and Ashley movie – Passport to Paris or When in Rome