It is kind of small, but lots of cool stuff is the Border Patrol Museum in El Paso. They have examples of the different types of soles that people add to the bottom of their shoes. Sometimes they put carpet on them. They have a motorcycle with a huge muffler.
The coolest thing I have seen was the smugglers rigging a cart to ride the rafters below the bridge. Here is the story where a wheel broke and the cart got stuck.
http://www.foxnews.com/wires/2008Apr...rant%2C00.html
"You can't knock the ingenuity. It's there," Border Patrol spokesman Doug Mosier said.