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

A unique bridge with an equally unique view.

This glass skywalk offers vertiginous views down the volcanic cliffs to the beach below.

When Azorean green tea meets volcanic hot springs water, a luminous brew is born.

This fairy-tale, neo-Gothic church in the Azores is a world of magical realism.

Europe's oldest still-operational tea farm also boasts a spectacular view.

A perfectly circular lake is formed by the crater of an ancient underwater volcano.

This abandoned five-star hotel is now a five-star urban exploration destination.

As the highest point in the Mid-Atlantic range this stratovolcano offers spectacular views.

An underground network of massive stone arches and their skylit vaults support ruins of portico structures above.

On the cliffs of São Jorge in the Azores stand the remains of a lighthouse that was struck by a series of earthquakes.

Bits of flat terrain surrounded by cliffs make one of the most beautiful landscapes in the Azores.

The former seat of power for the Balliol dynasty.

This 900-foot structure with 20 arches crossing a Scottish river was built in the late 19th century.

A stone burial chamber that was also the site of religious rituals.

Legend says this cave housed a 16th-century cannibal and his family of 48.

Believed to be the birthplace of John Balliol.

Wonderfully preserved Victorian factory, complete with a preserved steam powered engine house.

This observatory within Europe's first dark sky park offers stunning views of the night sky.

This modern labyrinth lies in the shadow of a ruined medieval castle.

A historic cave in Scotland once served as a hiding place for a famous Covenanter.

This abandoned bridge over the River Irvine may be the oldest surviving railway viaduct in the world.

Now in ruins, this abbey was the home of Tironensian monks for more than 400 years.

The rusting remnants of a flying boat lie scattered near the site of its fatal crash.