The minor danger is drinking the water. Things then escalate to pickpocketing, robbing, kidknapping, murder, etc.
Definitely use caution, especially when traveling outside tourist areas. Be ware of pickpocketers, scammers, and the like. Stay in populated areas, especially at night.
The dangers of tundra are the animals.
avalanches, frost bite, hypothermia.
Drought and rebublicans.
From the US? It is international travel. If you mean NEW Mexico, that is domestic travel, though.
Actually, it is more likely to catch the H1N1 in America than in Mexico. You should take that shot even if you are not traveling to Mexico soon.
dinosaurs, heat.
Yes, you do.
None.
wireless carrier for ixtapa,mexico area?
Someone should consider purchasing traveller insurance when they are planning on traveling and want to protect their possesions from the dangers of traveling.
there are large loose stones and sandstorms and could be some climatical stress
By traveling across the Gulf of Mexico. Just go south and voila!