The Great Barrier Reef stretches along Australia’s northeast coast, forming the largest coral reef system on Earth and one of the planet’s most complex living ecosystems.

Palm Beach, southeastern Florida, on the northern end of a barrier island situated between Lake Worth (a lagoon) and the Atlantic Ocean; incorporated 1911. It has a subtropical climate and is a fashionable and luxurious winter resort. The town is named for its palm-lined beach.

Venezuela is a country of contrasts, offering travelers a mix of rainforests, savannas, and Caribbean beaches. The country is home to unique destinations like Canaima National Park, where the world-famous Angel Falls, the tallest waterfall on Earth, cascades from an incredible height of 979 meters (over 3,200 feet). Visitors can take boat trips through jungle rivers, explore the iconic tabletop mountains, and marvel at the landscapes.

A former trading port and now a fascinating itinerary stop for any Vietnam traveler, Hoi An's illuminated lanterns beckon you. Each lunar month on the 14th day, electric lights are turned off in favor of traditional lanterns. Must-sees in this well-preserved locale include Quan Cong Temple, the 1700s-era Japanese Covered Bridge, An Bang Beach with its white sands, and Hoi An Night Market, abuzz with local sellers offering food and unique wares.

Varna is a beautiful city along the Black Sea and a favorite port of luxury cruise ships.