This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

A daring D-Day assault by U.S. Army Rangers is commemorated atop the high cliffs of this strategic point.

An ancient ossuary in Rouen.

FDR hoped to find a cure for polio in this Georgia town's warm springs.

A miniature city, once ruled by the Queen of the Netherlands.

Rabbit Hash is a heaping slice of Americana from another era, with a very peculiar origin behind its unusual name.

Glasgow’s piece of the patron saint of love.

This picturesque view of the Scottish Borders was beloved by Sir Walter Scott.

This Scottish manor house is a lush relic from the life of a literary great.

A church that bred legends, and served as an inspiration for the Da Vinci Code.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

This striking, two-toned confluence of rivers is visible from space.

A beautiful opera house in the heart of Amazonia has recently restarted performances after a 90-year hiatus.

As one of the world's largest hydroelectric dams this plant took two countries to get built.

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

Solitary monument dedicated to the beauty of nature.

Beautiful public park off the beaten path and away from tourists.

Temples adorned with intricate, erotic sculptures make up one of the "seven wonders" of India.

A complex of six forts embedded in the Rajasthan hills.

Once an indicator of social class, the color blue has come to define this city on the edge of the Thar Desert.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

Sacred Indian temple that’s all monkey business.

The world's second-largest sundial, made entirely out of stone.