The Transportation Security Administration has a long list of carry-on rules, such as no liquids over 3.4 ounces, no wrapped presents, no knives, no antlers, snow globes, baseball bats, drill bits, etc etc, but a recent article from FoxNews.com shows the rare list of what you can actually bring with you on an airplane, with a few requirements, of course.
Antiques and Artifacts: You will be charged for large antiques, and they might have to travel in the hold, but as long as you have the proper documentation (receipts, export permits), you're in the clear.