This sculpture is an instrument played by the swell of the seas.

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

A classic Route 66 landmark that was built with scrap lumber and is held together with kitsch and puns.

A remarkably intact castle that once was the largest in Ireland.

A rocky Irish outcropping with a history of wealth, conflict, and ruin.

A succession of eerily contemplative iron figures lead from a Scottish museum to the sea.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

The modern birthplace of Irish freedom.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

New York's unstoppable progress turned this cemetery into the smallest burial ground in the city.

Scattered throughout London are ancient remnants of the city's former bounding wall.