To truly appreciate Detroit's landmark skyscraper, you have to step inside.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

The bones of the Biblical Magi traveled to Constantinople and Milan before landing in their current home inside an elaborate golden reliquary in the Cologne Cathedral.

These powerful, if squat, Canadian waterfalls flow in different directions depending on the time of day.

This Rhode Island mansion was a stand-in for the exteriors of Collinwood in the original "Dark Shadows" series.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

Showing films since the silent era of the 1920s, it is now the last movie house in downtown Newport.

See the oldest known traditional stone-ground mustard mill at work at this Down East mainstay.

Built for television, this statue now serves as an unlikely memorial to a fireman who died on 9/11.

Eclectic collections, artwork, and some feline friends fill the writer's former home.

This former sugarcane transport tunnel is now a portal to a lovely beach.

This beach pool offers a spectacle of crashing waves, blue hues, and a historical lighthouse.

This giant bronze image of Christopher Columbus embarked on a voyage of its own.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

This colorful gate stands as an entrance to the walled city of Old San Juan.

Legend tells how a Spanish soldier disappeared from this isolated sentry box without a trace.

A Lovecraftian altar of nightmarish bronze chairs sits ominously on a boardwalk in Puerto Vallarta.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

Despite its name this unique art piece was established to commemorate a tragic flood.

The little house that stood up to a disastrous flood has become a symbol of perseverance.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

This colorful statue welcomes visitors to a Barcelona park.

Five mysterious spheres in the wall of a church that puzzle Málaga’s locals.

An ancient Roman theatre restored to its former glory in the Spanish city of Cartegena.