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.

Devil’s Bridge National Park, located on the rugged Atlantic coast of Antigua, is one of the island’s most dramatic natural landmarks. The park is named after its striking limestone arch, carved over centuries by relentless waves and wind.

Ayutthaya, located about 80 kilometers north of Bangkok, Thailand, was the capital of the Ayutthaya Kingdom from the 14th to the 18th century. Its ruins, set among rivers and canals, reveal a once-thriving city that was a hub of trade, politics, and culture, linking Southeast Asia with China, India, and Europe.

There's a wealth of things to do and see in Romania with an intensive range of activities and places to visit. You can ski at traditional or purpose-built mountain resorts or laze in the hot sun on the Black Sea beaches comparable to those on the Mediterranean.

In Edinburgh, an ancient fortress looms, the hills are steep, and travelers delight in the hidden charms of the Old Town and New Town. Hike to find spectacular views on Arthur's Seat, shop the downhill streets of the Royal Mile, and visit Edinburgh Castle, an imposing royal fortress that defines this city's skyline.