Ravello, a resort town set 365 meters above the Tyrrhenian Sea by Italy’s Amalfi Coast, is home to iconic cliffside gardens. The 13th-century, Moorish-style Villa Rufolo offers far-reaching views from its terraced gardens, and hosts indoor and outdoor concerts during the popular summertime Ravello Festival. Villa Cimbrone, a medieval-style estate perched on a steep outcrop, is surrounded by another celebrated garden.

Columbus is a city in western Georgia. The Chattahoochee Riverwalk is a long promenade for walking or biking along the Chattahoochee River. Overlooking the river, the National Civil War Naval Museum displays the remains of 19th-century warships. The Coca-Cola Space Science Center is home to an immersive theater and an observatory. To the east, the Columbus Museum shows American artwork and regional history exhibits.

New York City comprises 5 boroughs sitting where the Hudson River meets the Atlantic Ocean. At its core is Manhattan, a densely populated borough that’s among the world’s major commercial, financial and cultural centers. Its iconic sites include skyscrapers such as the Empire State Building and sprawling Central Park. Broadway theater is staged in neon-lit Times Square.

London, the capital of England and the United Kingdom, is a 21st-century city with history stretching back to Roman times. At its centre stand the imposing Houses of Parliament, the iconic ‘Big Ben’ clock tower and Westminster Abbey, site of British monarch coronations. Across the Thames River, the London Eye observation wheel provides panoramic views of the South Bank cultural complex, and the entire city.