Zacatecas, built into the slopes of a narrow ravine in north-central Mexico, is a city with a deep mining past and a striking skyline. The historic center, a UNESCO World Heritage Site, is known for its pink cantera stone buildings, narrow alleys, and impressive baroque facades. The Cathedral Basilica of Zacatecas, completed in 1752, stands as one of the most detailed examples of Mexican baroque architecture, with hundreds of carved figures covering its sandstone exterior.

Sitka is accessible only by air or sea, giving visitors a real taste of this wild frontier. Sitka offers incredible scenery, fishing, hiking, and abundant wildlife. 22 of Sitka's buildings and monuments appear in the National Register of Historic Places.

The Olympic Peninsula occupies the far northwest corner of Washington State, where mountains, rainforest, and coastline meet within a relatively compact area.

Sydney, Australia, is a vibrant city where iconic landmarks, diverse neighborhoods, and natural beauty converge. The Sydney Opera House, with its striking sail-like design, and the Sydney Harbour Bridge are symbols recognized around the world, yet the city offers much more beyond its famous skyline.

There's plenty to explore in this vibrant Caribbean paradise. Visit one of the island's many beaches, including Bachelor's Beach, Te Amo Beach, and Sorobon Beach, take a stroll through the Bonaire Arts and Crafts Market, or visit Washington-Slagbaai National Park, where you'll likely catch a glimpse of many of the island's native birds and reptiles.