This small yet charming city in Alaska's panhandle is a throwback to the gold rush era. Skagway is a well-preserved part of Klondike Gold Rush National Historical Park.

On the Nile's east bank sits Luxor, a onetime stronghold for Egyptian pharaohs. Key sites include Luxor Temple, Karnak Temple, and the Valley of the Kings.

Once the commercial center of the ancient world, Ephesus is an archaeological splendor and an essential stop on any visit to Turkey. The city, whose wealth and patronage support its splendid architectural program, was dedicated to the goddess Artemis.

Evidence of our nation's birth abounds in Boston, a hub of revolution that is essentially the oldest city in the United States. Visitors are compelled to walk the 2.5-mile Freedom Trail around the city center, and bear witness to 16 historical locations related to the history of America.

Nelson sits along the West Arm of Kootenay Lake in southeastern British Columbia, embraced by the rugged peaks of the Selkirk Mountains and threaded with over 350 heritage buildings that tell the story of its silver-rush beginnings. A short trip outside town leads to spots like the Salmo–Troup Rail Trail, a wide, gentle path that follows an old rail line for kilometers through forest and alongside rivers.