Dotted with lighthouses along its shoreline, Portland, Maine is a coastal gem in the northeastern United States and a veritable paradise for lovers of fresh seafood, craft breweries, and small-town charm. At the center of downtown Portland, the Old Port neighborhood boasts a number of unique and historical buildings, trendy restaurants and bars, and picturesque views of the Portland Harbor.

At the heart of this tiny village is the 12th-century St. Davids Cathedral. And, beside it lie the ruins of the bishop's Palace. Walk the coastal path and visit the popular Oceanarium.

Haines is a charming stop in the Alaska Panhandle and a gateway to Glacier Bay National Park and Tongass National Forest.

Boppard, the pearl of the Rhein, gets its nickname from the fact that it is situated on part of a horse-shoe ben in the Rhein, resembling a pearl in an oyster shell. This bend is one of the most severe anywhere on the Rhein, so much so that the town frontage faces due north while the vineyards, one the same band face due south. The bend is also known as the "bendiest bend on the Rhein."

Bridgeport, Connecticut, offers visitors a fascinating mix of historical significance, cultural diversity, and coastal charm. As the largest city in the state, Bridgeport is known for its rich industrial past and vibrant waterfront. One of the must-visit spots is Seaside Park, a stunning 325-acre public park designed by Frederick Law Olmsted, the same visionary behind New York’s Central Park.