Museum devoted to the artificial language of Esperanto.

The "Gateway to the Arctic" connects Barrow's indigenous population with the sea and its traditional industry: whaling.

Breathtakingly blue walls shimmer inside the "Glacier Behind the Town."

Banksy gives themself artistic license with this piece of London street art.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

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

A kaleidoscopic warehouse-maze of handmade neon signs.

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

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

This long, dark tunnel is open to hikers, but those without lights are known to get confused even on the straight path.

The second tallest railway trestle bridge in America.

The highest point in Washington state is a volcano covered in glaciers.

A tiny red pebble marks what may be the quietest outdoor spot in the United States.

Stroll through a wonderland of stupendous moss-covered trees.

The world's highest and most dangerous infinity pool lies at the precipice of Victoria Falls.

An abandoned network of military bunkers and tunnels open for anyone willing to descend into the darkness.

The longest spit in the United States ends at a lighthouse in the Strait of Juan de Fuca.

A magical sanctuary of mythological statuary.

Essence of hound's tongue and tincture of bloodroot are just the tip of the herbalist iceberg at this beautiful, impressively-stocked apothecary.

A cozy bookstore and coffee shop in the heart of Cartagena's Old City.

Unparalleled stargazing, one of Colombia's best observatories, and a swimming pool can all be found in the middle of this ancient tropical forest.

The Andean town where every single building is decorated with a brightly colored frieze.

This picturesque mansion has gone from opulent ruin to nature museum.

A dangling church built over a Colombian gorge.