On Feb. 25, the Transportation Security Administration expanded its Preê (Pre-check) program to include nine more airlines, making a total of 65 airlines whose passengers qualify for Preê.

The new Preê-approved airlines are Air India, Asiana Airlines, China Airlines, Eastern Airlines, Elite Airways, EVA Airways, Japan Airlines, TAP Air Portugal and Volaris.

Travelers who have enrolled in Preê and are flying on an approved...

Milan, Italy, is hosting a "Milan and Leonardo" program in 2019 to commemorate the 500th anniversary of Leonardo da Vinci's death. Visit www.visit-milano.net/en/appointments/leonardo-500 for a list of events.

One significant event is the "Leonardo e la Sala delle Asse tra Natura, Arte e Scienza" exhibit, May 16-Aug. 18, at Sforza Castle (Piazza Castello, 20121 Milano; phone +39 02 8846 3703, www.milanocastello.it/en), where visitors can witness the restoration of a vaulted ceiling...

Travelers with a layover of more than six hours at Atatürk Airport (IST) can take a private guided tour of Istanbul’s Sultanahmet district, including Hagia Sophia, the Blue Mosque, the Grand Bazaar and more, in a Mercedes van. The “Istanbul Layover Tour” must be booked in advance, costs $275 for up to six people and includes transfers from and to the airport but not entry fees or food. Visit istanbultourstudio.com/tours/istanbul-layover-tour to book. A custom tour can be...