US UNESCO World Heritage Site: Glacier Bay National Park and Preserve

Location: Alaska
Admission: Free entrance
Best time to visit: Late May through early September when the summer temperatures are 50 to 60 degrees
Best activities: Camping, Kayaking, Boating, Mountaineering, Backpacking

Glacier Bay National Park and Preserve is one of the most sought-after bucket list US UNESCO World Heritage Sites to visit. It’s part of a staggering 25 million acre site containing 3.3 million acres.

This UNESCO Heritage Site intrigues nature lovers with its wild mountains, glorious glaciers, dense forests, and fjords, home to diverse wildlife, plants, birds, and marine life.

Visitors can choose from guided multi-day kayaking trips to the daily 7-hour-long boat tour with a ranger describing the sights and sounds of this awe-inspiring wilderness.

The boat stops by the secluded South Marble Island, where adventurers can observe seabirds and over 300 sea lions.