North Dakota invites travelers to explore a landscape where wide-open prairies meet dramatic badlands, and small towns preserve traditions that stretch back generations. At Theodore Roosevelt National Park, visitors can watch wild bison graze under the vast sky or drive along the scenic Loop Road to see wild horses, prairie dogs, and colorful rock formations that seem painted by time.

Sintra, located just 40 minutes from Lisbon, feels like a world apart. Tucked into the hills of the Serra de Sintra, this town has drawn kings, poets, and explorers for centuries. It was once the summer retreat of Portuguese royalty, who left behind palaces and gardens that seem pulled from a storybook. The most famous, Palácio da Pena, is perched high above the town with bold red and yellow towers that blend Romanticism with Moorish and Gothic styles.

Aalborg is the fourth largest city in Denmark and constitutes a natural center for the North Jutland region. In addition Aalborg is Denmark's largest conference center, outside Copenhagen. Aalborg has many cultural attractions which appeal to a wide variety of tastes; a varied night-life and more than 300 restaurants, bars and clubs.

Nayarit's sub-tropical climate is often compared to Hawaii’s. Temperatures reach ninety degrees during the summer, but at night the onshore breeze from the ocean brings cool air that makes for pleasant sleeping conditions.

Ancient history comes alive in Athens, the capital of Greece. Gaze in wonder at the Acropolis and its iconic crown, the Parthenon. Take a deeper dive into the past and visit both the Acropolis Museum and the National Archaeological Museum, which house fascinating artifacts from this ancient city.