The top ten travel milestones of all time are:

1. Online booking

2. Transportation Security Administration's airport security

3. Airline e-tickets

4. Roll-aboard luggage

5. Smoke-free flights

6. Boutique hotel chains

7. Airports as malls

8. ...

More articles like this:

See all results, or try Advanced Search.

We're searching over:

• 60 million articles
• 3,500 publications