Rippling sand dunes frozen in the Arizona rock.

World's first "penitentiary," meant to be humane, drove men insane.

These ancient sacred grounds granted amnesty to those who managed to reach them.

South Dakota's oldest operating brewery is housed inside a historic firehouse.

This downtown Dallas art installation is always on the lookout.

19th century museum with an eclectic mix of curiosities, from Egyptian artifacts to items on archery history to the skull of the world's oldest horse.

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

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

The prototype for all Nazi concentration camps.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

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

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

Northern Ireland's Brobdingnagian stepping stones.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.