Exeter sits in southwest England at a natural crossing of the River Exe, a position that has shaped its role since Roman times.

Located on the west bank of the Nile, Dendera is home to the famous Dendera Temple Complex, one of the best-preserved ancient Egyptian temples. The Temple of Hathor features impressive reliefs and intricate carvings that draw visitors interested in Egyptology and ancient history.

Southeast Spain's seaport of Cartagena is a large naval base on the Mediterranean coast. The city was founded in 220 B.C. and boasts Roman ruins, mosaics and murals.

Puerto Rico, an unincorporated territory of the United States, is a Caribbean island rich in history, culture, and natural diversity. Its capital, San Juan, is a vibrant hub where centuries-old Spanish forts, pastel-colored colonial buildings, and lively plazas tell the story of the island’s complex past.

This southern Mexican state borders Guatemala. Its mountainous highlands and dense rainforest are dotted with several Mayan archaeological sites and Spanish colonial towns.