Gettysburg, Pennsylvania is best known as the site of the most significant battle of the American Civil War, fought over three days in July 1863. Today, visitors can explore the 6,000-acre Gettysburg National Military Park, which preserves the battlefield in remarkable detail. Over 1,300 monuments, cannons, and markers dot the landscape, each telling a piece of the story. One of the most visited spots is Little Round Top, where Union forces held their ground in a pivotal moment of the battle.

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.

The Costa del Sol, stretching along the southern coast of Spain in Andalusia, is famed for its golden beaches, lively coastal towns, and sunny Mediterranean climate.

Must-sees in Seville include the landmark palace Royal Alcázar of Seville, the Gothic, bell-towered Catedral de Sevilla, and Plaza de España, an architectural marvel with Moorish, Baroque and Renaissance influences. Meanwhile, Museo del Baile Flamenco is the place to learn about flamenco dancing culture.

Warnemunde (or Warnemünde) is a port city in Germany and a frequent stop on many Northern European cruises. Across the Baltic Sea from Denmark's capital, Copenhagen, this charming seaside city has a number of delightful attractions, including the Warnemünde Lighthouse, a variety of local shops along the marina, and surfing lessons on the beach.