Just outside of Tucson lies Saguaro National Park, which is home to hundreds of saguaro cacti, the iconic symbol of the old West. There are endless scenic hikes and wildlife habitats, and the Arizona-Sonora Desert Museum isn't to be missed. The star of the park, of course, are the cacti themselves, and there are few more beautiful sights than seeing them silhouetted against the beauty of a magnificent desert sunset.

An Eastern city of Turkey, known in ancient times as Amida, spreads across a basalt plateau close to the banks of the Dicle River. The black basalt triple walls which encircle the old town give the city a rather ominous appearance.

Basel is the global center of the pharmaceutical industry, but most travelers visit for the world-famous ART Basel festival, as well as the numerous art galleries, iconic architecture and museums.

While an earthquake in 1972 left few buildings intact in downtown Managua, new areas are building up. Managua has excellent restaurants, nice hotels, and is a good base for day tours into the countryside.

Symi, a charming island in the Dodecanese, Greece, offers a picturesque escape with its striking neoclassical architecture and vibrant Mediterranean colors. The town of Symi, a designated protected cultural heritage site, is renowned for its beautifully preserved pastel-colored mansions that line the harbor.