It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.

A 6th-century stone lies at the site of the mythical battle waged between King Arthur and his nemesis Mordred.

A somber monument commemorates the site of a Native American reservation marked by suffering.

This two-room shotgun shack in Tupelo is the birthplace of a King.

The fairy tale castle of the "fairy-tale king."

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

Pilgrimage site for star-crossed lovers.

Longest fortress system anywhere in Europe.

This stunning, out-of-the-way Croatian monument commemorates a community's uprising against occupying fascist forces.

The now-overgrown beach resort was once frequented by Yugoslav military elite.

A natural wonder in south Denmark.

Copenhagen's celebrated theme park and gardens.

A perfectly circular stronghold constructed in the 10th century is now a nucleus of Viking culture housing a museum, village, and reenactment of an epic Viking battle.

The northernmost point in Denmark is a turbulent sandbar created by two clashing seas.

The world's largest maze is a nature park with nearly 200 decision points.

The greatest amusement park in the world is wall-to-wall farting dogs, puking rats, and cows with exposed breasts for the whole family.

Denmark's famous pseudo-hill.