Sofia, Bulgaria’s capital, is a city where the past meets the present in a symphony of ancient history, stunning architecture, and vibrant urban life. At the heart of Sofia lies the Alexander Nevsky Cathedral, one of the largest Eastern Orthodox cathedrals in the world. With its golden domes and elaborate frescoes, this architectural marvel serves as a symbol of Bulgarian identity and a must-see attraction.

A true destination, Alyeska is Alaska's biggest ski area. At the summit sits Mt. Alyeska Roundhouse, the state's only mountaintop museum.

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.

This quaint port city is breathtakingly beautiful! Surrounded by peaks, Seward fjords are the perfect whale and porpoise habitat, and both seals and puffins fill the Alaska SeaLife Center. Those looking for a challenge can hike the western trail to the summit of Mount Marathon.

Once the capital of the Mughal Empire, Agra, India is now a cultural capital replete with famous landmarks and striking architecture. The city’s most prominent draw is the magnificent Taj Mahal, the iconic white marble mausoleum and a UNESCO World Heritage Site visited by millions of people each year.