They say that Mexico is a country no one ever leaves. The beaches, of course, are among the world's best - but those who venture inland are rewarded with the true soul of Mexico, which has always resided firmly in the interior. The Republic of Mexico is vast, comprising nearly two million square miles of coastline, desert, rain forest, mountains, and fertile plains. The population is about 106 million, and the generosity of the Mexican people is unsurpassed. Knowing a few simple sentences in Spanish will win hearts.