BusinessSpanish.com
At the Airport: En El Aeropuerto
This web page is a bilingual site that provides many of the terms that would be used in an airport. The Spanish words are underlined and when selected, the audio of the Spanish word is played so you can practice on pronunciation.
Lingolex
Lingolex.com: Learn Spanish: Railway Vocabulary Vocabulario Sobre Trenes
This site provides a comprehensive look at the kind of terminology and phrasing that would be used when riding or bordering a train. These words and phrases are ideal for travel.