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.

Koloa sits on Kauai’s south shore and holds a special place in Hawaiian history as the site of the islands’ first successful sugar plantation.

Arches National Park, located in eastern Utah, is a mesmerizing landscape filled with more than 2,000 natural stone arches, pinnacles, and balanced rocks sculpted by centuries of wind and water erosion. One of the most iconic landmarks is Delicate Arch, a freestanding red rock formation that has become a symbol of Utah itself.

Akhaltsikhe is a regional center in southern Georgia's Samtskhe-Javakheti region, situated in a broad valley along the Potskhovi River. The city is best known for Rabati, its hilltop fortress complex, but its identity extends into an older quarter of stone houses, religious buildings, and traditional streets. The name Akhaltsikhe means “new fortress,” reflecting the city's long association with its fortified center.

Located between Lombok and Flores in the Lesser Sunda chain in the Indian Ocean.