In the walled city of Siena we stand firmly planted in the Middle Ages. Siena preserved its original character more markedly than any other city in Italy.

Cambridge, Massachusetts, sits across the Charles River from Boston and is known for its universities, historic neighborhoods, research institutions, and distinctive network of public squares. Harvard University and the Massachusetts Institute of Technology give the city an international academic profile, while areas such as Harvard Square, Central Square, Kendall Square, and Inman Square each have their own mix of shops, restaurants, cultural venues, and businesses.

Jebel Akhdar, meaning “Green Mountain,” is a highland area within Oman's Al Hajar Mountains in Ad Dakhiliyah Governorate. The mountain rises to about 2,980 meters, with the Saiq Plateau located around 2,000 meters above sea level. Its cooler mountain climate supports terraced orchards, villages, and vegetation that differs from the dry lowlands below.

Sitka is a coastal community on Baranof Island in Southeast Alaska, set between the forested slopes of the Alexander Archipelago and the waters of Sitka Sound. The city has a compact waterfront setting surrounded by temperate rainforest, islands, mountains, and productive marine waters. Sitka's location gives it a strong connection to fishing, boating, wildlife, and outdoor recreation, while its streets and historic buildings reflect both Tlingit and Russian influences.

Although not accessible by road, it is Peru's most important commerical center in the east. It is on the Amazon which is wide enough to allow freighters at their busy port. The 1880's saw the rubber boom and recently oil has been the boom.