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.

Sudan, located in northeastern Africa, is a country of diverse landscapes, from the vast Sahara Desert in the north to the fertile Nile Valley in the center. The Nile River, one of the world’s longest, runs through the country, shaping both its agriculture and history.

Blanketed from end to end in luxuriant greenery and brightly colored flowers, this enchanted island is scalloped with beautiful beaches. There are sandy coves beside coral reefs, and alabaster cresents below tiny trails, leading to pretty waterfalls or plantation ruins. Best of all is the Main Ridge Rain Forest Trail, where jungle-thick ferns and giant bamboo grasses flourish under a canopy of foliage 60-feet high.

Molokai, island, in Kalawao County, administered by Maui County, central Hawaii, between Oahu and Maui islands, known as the Friendly Island. On the southern coast of Molokai is the port of Kaunakakai. The island rises to 1512 m (4961 ft) in the east at Kamakou Peak. Pineapples, coffee, and cattle are raised. In 1873Father Damien, the Belgian Roman Catholic missionary, began his work in the leper colony of Kalawao on the Kalaupapa Peninsula of northern Molokai.

Mammoth Lakes, tucked into California’s Sierra Nevada mountains, is a year-round destination that combines alpine scenery with outdoor adventure. Known for its crisp mountain air and dramatic landscapes, the town sits near the eastern entrance to Yosemite National Park, making it an ideal base for exploring the region.