Always More to See: Top 10 Most Popular Optional Extensions

Venture to the mountainside city of Chefchaouen to witness its striking scenery and meet the Berbers who dwell amidst the Rif’s 6,000 peaks. Then travel to Tangier on the northern coast to discover a city that has sparked unforgettable Morocco travel moments for centuries—and experience the intoxicating mix of cultures that travelers have left behind throughout the years. 

Before you travel to Egypt, experience another facet of the region's centuries-old culture in Jordan. You’ll explore Roman ruins in Amman and stroll ancient city streets in Jerash. And discover the Nabataen “Lost City” of Petra, described in poetry as a “rose-red city half as old as time.” 

Before your Ancient Kingdoms adventure, experience another side of Thailand. Dive into the country's World War II past during a visit to the original bridge on the River Kwai, which you'll see on foot and by boat. Then, venture up to northern Thailand where cultural treasures abound—from discovering the Golden Triangle's complicated history to meeting members of the Karen Long Neck Village, and experiencing the inner workings of an elephant care center.

Off the coast of France, surrounded by swirling seas, a magnificent cathedral rises from the rock: Mont St. Michel. Following The Seine: Paris to Normandy, discover this ancient abbey—a UNESCO World Heritage Site—as well as the idyllic village of the same name, plus Brittany’s verdant landscapes and unique blend of Celtic and French cultures.

Begin your Crossroads of the Adriatic adventure in Albania, one of the last undiscovered pockets of Europe, where progress is balanced against a storied past. We’ll discover Tirana, which shook off its Communist-era style in the early 1990s to emerge as Albania’s colorful and vibrant beating heart. We’ll also explore Shkoder, one of this region’s oldest cities, featuring a majestic hilltop castle and grand cathedral.

Experience the Transylvania region of Romania—a castle-dotted landscape whose well-preserved, Old-World character will evoke an era of bygone, macabre figures both mythical (Count Dracula) and actual (Vlad the Impaler), as you explore these lands from the historic city of Brasov.

It’s easy to add thundering Iguassu Falls—twice as wide as Niagara Falls—to your explorations of South America’s natural wonders. On this extension, we’ll visit the Argentinean and Brazilian sides of this array of 275 separate cascades.

After your Australia and New Zealand travel experience, continue your discoveries in New Zealand's exotic Bay of Islands. Considered New Zealand’s first land, this is where the Maori first landed in their waka (canoes) and established themselves. This historical crossroads of European and Maori cultures is also home to a unique subtropical ecosystem. In this archipelago of nearly 150 islands, revel in the pristine natural environment and stunning coastal scenery as we cruise along crystal-clear turquoise waters, keeping watch for whales, dolphins, marlins, and penguins.

Expand your Asian discoveries by starting your adventure early in Vietnam, a nation reborn. In addition to exploring the bustling capital of Hanoi and cruising amidst the emerald waters of Halong Bay, our small group size allows us to connect closely with local history and culture—whether we’re challenging our perspective of the Vietnam war with a Communist veteran, or meeting the skilled artisans of a ceramic workshop.

Cleverly christened “Greenland” by Erik the Red in an effort to attract settlers, 80 percent of this nation’s land mass is covered in ice caps, with picturesque towns and villages clustered along the coasts. After you travel through Iceland, come breathe the pure air, witness the magnificent icebergs, experience the Inuit way of life, and discover a land as exotic as it is remote.