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.

Lake Ohrid, a natural tectonic lake in the south-west corner of Macedonia, is the oldest lake in Europe and one of the oldest lakes in the world. Formed tectonically between four and ten million years ago, the lake is situated in limestone bedrock. Nestled amid mountains at an altitude of 2290 feet, the lake offers striking vistas of the surrounding beach and hills.

Located on scenic West Lake. Tourist attractions include the West Lake, the 3rd Century Ling Yin Monastery, Pagoda of Six Harmonies.

Perth is pleasantly sited on the Swan and Canning rivers, with the cerulean Indian Ocean to the west and the ancient Darling Ranges to the east. It claims to be the sunniest state capital in Australia and the most isolated capital city in the world.

You'll know why picturesque Grenada is known as the "spice island" when you notice the scent of nutmeg, vanilla and cocoa in the air. Grenada's waterfalls, lush rain forests, volcanic crater lake, tiny villages, cocoa, nutmeg and banana plantations, rum distilleries, scenic hiking trips, pristine coral reefs, and hidden-away unspoiled beaches all make Grenada one of the most popular ecotourism destinations for those who like to discover off-the-beaten-track natural beauty and charm.