A familiar otherworldly creature guards this 12th-century Scottish abbey.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

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

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

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

These fantastically named natural pools look like something out of a Scottish myth.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

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

This amazing example of Valencian Art Nouveau looks more like a cathedral than a public market.

Cliffside houses provide a spectacular view from their perch above the valley.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

The ruins of an ancient Roman tomb hidden in the basement of a trendy clothing store.

The ruins of an abandoned medieval city where the last Byzantine emperor was crowned.

The hallucinogenic center of the ancient world.

Trash escaped from a landfill to fill beaches with all kinds of treasure.

Friction between grains of sand cause a curious "singing" sound.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

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

This outpost of America's most popular fast-food restaurant is housed inside a palatial mansion.

A beautifully detailed Victorian house designed to be easy to flee, built by a man haunted by fire.

Founded by the famed children's book artist, this museum spreads an appreciation of the arts through picture books.

Offering commanding views of the California coastline, this restaurant was a hub for the artists and bohemians of Big Sur.

The trunks of 3,000 year-old trees lurk beneath the surface of this crystal clear lake in Oregon.