Aguas Calientes, officially called Machupicchu Pueblo, sits in a narrow valley below the ruins of Machu Picchu, shaped almost entirely by geography and access.

Located on Ecuador's central coast, Manta is a port city frequented by many South American cruises. Manta is known for its delectable seafood and variety of pleasant beaches.

Siem Reap is best known as the gateway to Angkor, the ancient capital of the Khmer Empire, but the town itself offers far more than a launching point for temple exploration. Located in northwestern Cambodia, Siem Reap balances centuries-old traditions with a rapidly evolving cultural scene. Its streets are lined with colonial-era buildings, Buddhist pagodas, bustling markets, and open-air cafés.

Crater Lake National Park, Oregon, offers a breathtaking display of natural beauty centered around the deepest lake in the United States. Formed by the collapse of a volcanic caldera, Crater Lake is renowned for its stunningly clear blue waters, which are the result of rain and snowfall filling the caldera. The lake's unique color and clarity are due to its depth and the purity of its water, making it a visual marvel that attracts visitors year-round.

Tunis' white-washed, blue-shuttered buildings hide a treasure trove of Arabic and Ottoman art. Inspect illuminated manuscripts from the Koran, follow the twists and turns of the fascinating old Medina (inner city), marvel at the ornate Palace of Dar Ben Abduallah and the magnificent Djamaa-Ez-Zitouna Mosque, whose 184 columns were "recycled" from the rocky ruins of Carthage.