Alberobello in southern Italy’s Puglia region captures the imagination with its distinctive trulli houses. These structures were built using a dry-stone technique passed down over centuries, without mortar or cement, and their unique form comes from layer upon layer of limestone nestled from nearby fields. Alberobello’s trulli are so remarkable that in 1996 the historic center was inscribed as a UNESCO World Heritage Site, where more than 1,600 of these buildings still stand.

Baku, the capital of Azerbaijan, rises on the shores of the Caspian Sea as a city of striking contrasts. Its futuristic skyline, defined by the Flame Towers, glows each evening in waves of light, while the UNESCO-listed Old City preserves centuries of history within its fortified walls.

South Dakota, known for its striking contrasts, from sacred Indigenous landmarks to dramatic prairie landscapes, offers travelers a rare chance to experience stories etched in both stone and living tradition. Mount Rushmore may be the most photographed site, but just 17 miles away, the Crazy Horse Memorial tells a deeper story. In the west, the Black Hills are full of geological surprises and sacred sites. Custer State Park offers scenic drives where herds of bison often stop traffic.

Hidden in the northern region of Costa Rica, the Celeste River (Río Celeste) winds through Tenorio Volcano National Park with a color so vivid it seems unreal. The river’s striking turquoise hue is caused by a natural chemical reaction between two mineral-rich streams, Quebrada Agria and Río Buena Vista, which merge at a point known as "El Teñidero." This one-of-a-kind phenomenon creates the illusion that the water has been dyed blue, even though no pigments are present.

Mystic, Connecticut, is a small town with a big story, one shaped by shipbuilders, sea captains, and centuries of maritime tradition. Once a bustling shipbuilding center during the 18th and 19th centuries, Mystic still carries the soul of a working seaport. Today, visitors can explore its nautical past at the Mystic Seaport Museum, home to America’s last wooden whaleship, the *Charles W. Morgan*.