The Radar: Travel Retro, First-Class Turndown Service, Free Museums

• Travelers nostalgic for a classic American road trip can add some retro style to their next drive. Travel Retro is a growing online compendium of vintage motels, lodges, and motor courts in the U.S. where travelers can book a stay. [Travel Retro]

• To please passengers wistful for the golden age of air travel, American Airlines is offering a new turndown service to its first-class fliers traveling on select flights between the U.S. and London Heathrow. The luxury service includes quilted bed toppers, slippers, pajamas, and high-end toiletries. Beginning in October, American plans to rollout the new service on select flights between the U.S. and all international destinations. [USA Today]

• Eight free museums around the world that are always free. It doesn’t get much better than that. [About.com Budget Travel]

Got Radar? Follow us on Twitter @NatGeoTraveler and tag your favorite travel stories from the web #ngtradar. Check back in the morning for our daily roundup.

Photo: Alex Strohl/My Shot