Palenque, nestled in the lush jungles of Chiapas, Mexico, offers an enthralling glimpse into the grandeur of the ancient Maya civilization. The city is renowned for its well-preserved ruins, which include the majestic Temple of the Inscriptions, where the tomb of the ruler Pakal the Great was discovered in 1952.

Cusco once served as the heart of the Inca Empire, and that legacy still shapes every corner of the city even as it serves as a gateway to Machu Picchu. Outside the historic center, the ruins of Sacsayhuamán overlook the city from a nearby hilltop. This ceremonial complex is best known for its massive zigzag stone walls, some weighing over 100 tons. During the Inti Raymi festival in June, thousands gather here to reenact ancient Andean rituals.

Morelia, the capital of Michoacán, is a city that wears its history in stone. Built in the 16th century and recognized as a UNESCO World Heritage Site, its historic center is filled with over 200 colonial-era buildings made from pink cantera, a soft volcanic stone that gives the city its distinct look. The centerpiece is the Morelia Cathedral, a massive baroque structure that features twin towers that light up every Saturday night with a fireworks and music display.

Granada, nestled at the foot of the Sierra Nevada mountains in southern Spain, is a city where history and culture converge in a mesmerizing blend. The jewel of Granada is the Alhambra, a stunning palace and fortress complex that dates back to the 13th century. This UNESCO World Heritage Site is a testament to the city's Moorish past, showcasing intricate Islamic art and architecture.

Farther from a continental landfall than any other group of islands on earth, the twelve Marquesas jut out of the open Pacific just south of the equator, shrouded in a constant cloud cover.