Pennsylvania offers more than just a glimpse into American history, it invites travelers to walk through it. In Philadelphia, the Liberty Bell still draws visitors from around the world, while Independence Hall, a UNESCO World Heritage Site, is where both the Declaration of Independence and the U.S. Constitution were debated and signed. Just a short walk away, modern museums like the National Constitution Center offer hands-on exhibits that connect the past to today’s civic questions.

The capital of French Polynesia, Papeete is a veritable island paradise with bright cerulean waters, iconic overwater bungalows, and palm trees galore.

Tucked between Jordan's sandstone cliffs in the southwestern desert, Petra was carved directly into rose-colored rock more than 2,000 years ago. Visitors approaching through the narrow gorge known as the Siq are rewarded with their first glimpse of Al-Khazneh, the Treasury, a towering facade that seems to appear from another world.

Caernarfon, a town in northwest Wales, is famed for its medieval heritage, most notably Caernarfon Castle, a UNESCO World Heritage Site built by Edward I in the late 13th century.

Austria is located just east of Switzerland; northeast of Italy. The foremost attraction is skiing or hiking the Alps--equally breathtaking whether you're among its glorious peaks or at ground level. Visit the capital of Vienna, with its original coffee houses and the opera; or take a country drive and visit its charming villages.