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.

Puerto Madryn is a seaside city on the eastern coast of Argentina. Facing Golfo Nuevo and the South Atlantic Ocean, this coastal destination is popular for its beaches, marine life, nature preserves, and Patagonian museums.

To visit Barcelona is to embrace both the past and the future. There is much to do and see in this cosmopolitan capital of Catalonia, from medieval structures to beaches to UNESCO Heritage Sites by Antoni Gaudí and Lluís Doménech i Montaner.

Travelers on the Arabian Sea often find themselves in Muscat, on the Gulf of Oman. This port capital is situated between ocean and mountains, and boasts lovely beaches, great diving sites (watch for turtles!), 16th-century forts, and the impressive Sultan Qaboos Grand Mosque, which can hold 20,000 people.

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.