Kairouan is a historic city in central Tunisia, set on a broad plain away from the Mediterranean coast. It is one of the principal holy cities of the Islamic world and is recognized for its exceptionally preserved medina, religious monuments, and traditional urban design. The city’s whitewashed buildings, domes, narrow lanes, and surrounding walls create a distinctive landscape.

Fitzroy Island sits off the coast from Cairns in Queensland, Australia, rising from the Coral Sea with rainforest and beaches that draw visitors year-round. A short, scenic ferry ride from Cairns’ marlin marina brings visitors to this tropical island, part of the Fitzroy Island National Park where rainforest meets reef.

The commercial and cultural center for the Ruhr region on the Rhine River, Duseldorff is also the site of the Felderhof Cave where Neanderthal man was found in 1856.

Acadia National Park in Maine is home to the highest point on the United States’ East Coast. The bay side town of Bar Harbor, with its restaurants and shops, is a popular gateway to this 47,000-acre national park filled with dramatic, breathtaking scenery.

Puerto Princesa, the capital of Palawan in the Philippines, is often seen as the gateway to some of the country’s most remarkable natural landscapes.