7 Night Cruise sailing from Vienna to Budapest aboard Crystal Mozart.

Sail the magnificent Danube to witness the beauty of the Wachau Valley, and discover such treasures as the Benedictine abbey perched atop the city of Melk and Bratislava's St. Martin's Cathedral, former coronation church for Hungary's royalty.

Highlights of this cruise:

Vienna
Layered and elegant, with elements of cozy and grand, musical and visual might be the best way to characterize Vienna—or one of many ways, as this imperial city surely can inspire endless lines of poetic descriptions. Once the capital of the Austro-Hungarian Empire and forever known for its distinguished roster of composers who either were born or lived and worked here—including Mozart, Haydn, Beethoven, Schubert, both Strausses, Liszt and Brahms—Vienna finds itself at the very center of European culture, even as it sits near the border of the Czech republic, Slovakia and Hungary. Turn to a blank page to memorialize your own impressions of this grand city, remarking on its manicured gardens, ornate architecture—especially that of the famed Ringstrasse—intimate bistro pubs called beisln and a certain flourish that can only be called Vienna.

Krems
Situated at the confluence of the Danube and Krems rivers 43 miles west of Vienna, Krems marks the beginning of the Wachau Valley (if traveling upstream) and showcases a true crisscross of old and new. The Steiner Tor, or Stoney Gate, combines architectural styles, with its original 15th-century construction later refashioned into a fanciful Baroque style. Putting the old and new literally side by side is a preserved length of the old city walls, which is snugged up against a newer chrome-and-glass section – similar in height and purpose, and entirely different in appearance and feel. Putting the new within the old are the designer shops housed in the regal 18th-century buildings of the Altstadt. In the upper Old Town, you’ll find one of the oldest parish churches in Lower Austria. Old traditions also stand the test of time: In cozy heurigen, or wine bars, wine is consumed with a relaxed conviviality. Storybook beautiful in its steep-roofed architecture and Danube setting, Krems is perhaps neither old nor new, but timeless.

Linz
Named the European Capital of Culture in 2009 and added to the roster of UNESCO Creative Cities as a City of Media Arts in 2014, Linz embraces the present and future, even as it remains reverential to its past. There is much to be proud of: Here on the gentle curve of the Danube, Linz rose to power as a political and economic hub for the Holy Roman Empire. Trade and influence extended in all four directions, from Hungary and Germany to the east and west and Poland and Italy to the north and south. Later, Linz sparkled as a city of the Habsburgs, the last home to German Emperor, Friedrich III. The city’s layout reflects its history, with an ancient medieval center encircled by neoclassical, neo-baroque and neo-Renaissance neighborhoods, a kind of tree-rings of age and architectural styles. Highpoints of old traditions and impressive landmarks include the Linzer torte, dating to 1653 and thought to be the oldest cake in the world, and St. Martin’s church, the oldest church in Austria.

Likely all you will hear is the sound of your own gasps of delight as you experience storied locales of movies and emperors. Marvel at the beauty of Salzburg, birthplace of Mozart and filming backdrop of The Sound of Music. The spa town of Bad Ischl was a favorite of royalty and continues to draw visitors with its quaint charms and inspiring mountain setting. Hallstatt, a tiny village shouldered by a wall of mountains, is inched so close to the pretty lake that it looks like its quintessentially Austrian buildings might tip right in. And, simply, wow: The Czech Republic’s Cesky Krumlov unfolds as a picture-perfect medieval town crowned by a castle, embraced by the meandering Vltava River and laced with cobbled lanes. No wonder it is a UNESCO World Heritage Site and the second most popular travelers’ destination after Prague.

Melk
Best known for its fortified baroque Benedictine monastery, Melk Abbey, the town of Melk boasts an assortment of smaller gems. Among them, the city’s riverside location, serene and regal with a ribbon of wooded groves giving way to the lovely village. Cobbled lanes and a petite size make for a pleasant stroll with a chance to discover its 16th-century Town Hall, or Rathaus, in the center of town, and Haus am Stein, or House at the Rock. Built in the 15th century, the vine-covered abode is Melk’s oldest building.

Bratislava
Slovakia’s capital city may be the country’s buzzing political and economic center, but it is also a historic gem that stirs the imagination. A maze of narrow, cobblestone streets wind around colorful 18th-century buildings, and shade-covered sidewalk cafes beckon weary—or simply hungry—travelers to linger over a meal and enjoy people watching. Museums, cathedrals and palaces are edifying locales to spend some time, while photography buffs will want to snap images of the medieval castle that looms over the city with a majestic grace. For those looking for more contemporary sights, Bratislava boasts a pulsating modern art scene, as well as some outstanding examples of Communist-era architecture.

Budapest
Cast your eye over the Budapest skyline, and you’ll see all the makings of a world-class city and striking photograph: domes and spires, bridges and lampposts, splendid architecture in the foreground, rolling hills in the back, and the Danube River placidly curving through it, providing a reflective surface for sunsets and city lights. Look closer, and the treasures of Budapest—Hungary’s capital and the largest metropolis—really come to light. Castle Hill is at the top of most visitors’ lists, a UNESCO-listed district hosting Buda Castle, Trinity Square, Matthias Church and Fishermen’s Bastion. The area is also residential, with 18th-century houses, cobblestone streets and few cars, thanks to a strict vehicular ordinance, giving you a real sense of what the city must have been like ages ago. Budapest is full of history, originally a Roman settlement, formed as a unified city when Buda and Pest joined in 1873, overtaken by various invading forces over the centuries, and today an interesting goulash of local culture and foreign influences. Take a seat in a Turkish-era bath or savor rich Esterházy torte in a gentile coffee house to experience the many sides of a city that charms from both sides of the Danube.