A bridge at the U.S.-Mexican border that enables Americans to travel to Tijuana's airport for cheaper airfare. Also: traveling to Cuba; and a hotel in Hungary that may have inspired "The Grand Budapest Hotel."
A visit to Jordan, which is home to ancient archaeological and religious ruins and is also more modern and westernized than one might think. Also: the port city of Cardiff, Wales; and the Buccaneer Hotel on St. Croix, which dates to the Colonial era.
Ras Al-Khaimah, which is one of the UAE's seven emirates; the Homestead in Virginia, which is the first resort built in the U.S.; and the Croatian city of Dubrovnik, which features medieval architecture and views of the Adriatic Sea.
The Season 4 premiere explores Australia's most populous city, home to the Opera House and Bondi Beach, and explores the spots that only the locals know about. Also: a rundown of the world's most traffic-congested cities; and the World Happiness Report's newest addition.