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.

Spectacularly picturesque, Montreux is situated on the shore of Lake Geneva and one of Switzerland's most popular resort destinations. Montreux is best known for stunning lakeside views, upscale hotels, an annual jazz festival, and the magnificent Château de Chillon, the medieval castle which inspired the writings of many Romantic era poets.

Fortaleza, on Brazil’s northeastern Atlantic coast, greets visitors with wide sandy beaches that stretch for miles along warm, blue water. Beyond the city’s shoreline, dramatic dunes and inviting waters make Fortaleza an ideal base for exploring nearby beach towns like Cumbuco and Canoa Quebrada, each with its own rhythms and landscapes.

In Edinburgh, an ancient fortress looms, the hills are steep, and travelers delight in the hidden charms of the Old Town and New Town. Hike to find spectacular views on Arthur's Seat, shop the downhill streets of the Royal Mile, and visit Edinburgh Castle, an imposing royal fortress that defines this city's skyline.

Williamsburg, Virginia offers visitors the unusual opportunity to walk through a fully reconstructed 18th-century city. As the capital of the Virginia Colony from 1699 to 1780, Williamsburg played a key role in early American politics and daily life. Today, Colonial Williamsburg spans over 300 acres and includes historic buildings, working tradespeople, and costumed interpreters who bring the Revolutionary era to life.