Badlands National Park stretches across southwestern South Dakota, where layered rock formations and sharply eroded spires reveal nearly 75 million years of geological history. The park’s banded cliffs and pinnacles were shaped by wind and water, exposing ancient seabeds and fossil-rich layers that have made the area one of North America’s most important paleontological sites.

Córdoba, located in the heart of Andalusia, was once the most advanced city in Western Europe. During the 10th century, it served as the capital of Al-Andalus and was a center for learning, science, and art. Today, visitors walk the same streets that philosophers, poets, and physicians once crossed. The city’s most famous landmark, the Mezquita-Catedral, reflects its layered past. The red and white horseshoe arches inside are one of the most photographed interiors in Spain.

Serbia is a country where centuries-old monasteries sit just a short drive from lively cities, and where the past is never far from daily life. In Belgrade, the capital, Kalemegdan Fortress offers panoramic views where the Danube meets the Sava River. This fortress has witnessed more than 100 battles and been rebuilt many times over two millennia. Within its walls are Roman ruins, an open-air military museum, and quiet park paths perfect for wandering between centuries of layered history.

Sagres sits at the southwestern edge of continental Europe in Portugal’s Algarve region, where the Atlantic’s wide horizon meets rugged cliffs and open skies. For centuries this point was linked to maritime adventure and visitors can still feel that sense of discovery in the air. Here, people like Prince Henry the Navigator gathered cartographers, shipbuilders and astronomers in the 1400s to push beyond maps of the known world and shape the early Age of Discovery from Sagres’ dramatic headlands.

Reno, Nevada is known as “The Biggest Little City in the World” and has evolved well beyond its casino roots. Today, it’s a city where vintage neon signs share the skyline with vibrant murals and historic train depots sit beside riverside coffee shops. The Truckee River runs through downtown, anchoring the city with a scenic Riverwalk lined with public art, restaurants, and the sounds of rushing water.