The one-time stronghold of the noble Douglas family, now home to ghost sightings and nesting birds.

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

The elaborate clockwork contraptions in this Scottish gallery create small worlds of whimsy and horror.

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

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

This castle was established by the 4th Duke of Montrose and is connected to the Buchanan Clan.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

360° views of the city plus five floors of optical illusions and hands-on science.

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.

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

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

The only house built with a turret, crenellations, and a moat in Palmer, Alaska.

This Alaska library may be the only one in the country that allows you to check out pieces of taxidermy.

Internationally recognized group that works to protect the wolf and educate the public about its plight.

A historic freight system that found the true gold rush is in tourism.

While not recognized by Guinness, this chocolate waterfall is likely to be the world's largest.

One woman's dream became a train hotel in her backyard.

Upside-down trees serve as natural flower pots in this hanging garden of Alaska.

Mind-blowing carvings and fantasy ice scenes grace the largest year-round ice environment in the world.

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