The Darvaza Gas Crater, famously nicknamed the “Door to Hell,” is one of Turkmenistan’s most extraordinary landmarks. Located deep in the Karakum Desert, this fiery pit has been burning continuously since the early 1970s, when Soviet engineers reportedly set fire to a collapsed natural gas field to prevent the spread of methane.

Delphi is an iconic historical site and was once the sacred precinct of classical Greece, due to its role in Greek myth as the seat of a prophetic oracle.

Ogunquit is a beautiful place by the sea. Offering quaint New England flavor of the Village Center, Ogunquit is a bustling holiday haven to visitors from all over the world. Ogunquit today remains a tranquil, small village that continues to offer almost everything to almost everyone as perhaps nowhere else in the country can.

Annapolis may be best known as the state capital, but its real charm lies in its deep maritime history, walkable streets, and Chesapeake Bay lifestyle. Founded in 1649, Annapolis served as the temporary capital of the United States in 1783 and is still home to the oldest state house in continuous legislative use. A visit to the Maryland State House, where George Washington famously resigned his military commission, offers a direct link to the early days of American democracy.

Situated on the northeastern coast of Greece, Kavala is a picturesque port city popular for its archaeological treasures, historic old town, and scenic beach. Be sure to explore the city's best known sites, including the Panagia neighborhood, the Kavala Castle, the towering Aqueduct, and the Kavala Archaeological Museum.