The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

A lonely beacon, precariously perched atop a remote sliver of rock.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

An eccentric inventor's castle home with its own indoor weather system.

This fairy tale forest hides scenes from some of the more obscure and bizarre Western nursery stories.

This stunning mass of ice spans 121 square miles and is still growing.

After years of slow decline, a derelict Gothic castle is now being restored to life.

A modern-day Lascaux cave underneath Paris.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

A statue honors the local legend that the devil helped build St. Mary's church after being tricked into thinking it was going to be a wine bar.

Dancing skeletal figures pay homage to a medieval mural destroyed during World War II.

A stunning two-story timepiece within a medieval Brick Gothic church.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

This grisly effigy displays an early Christian martyr who was skinned alive and beheaded.

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

Centuries of crashing waves carved out this small hole in the rock, which lights up at certain parts of the year.

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

Spectacular views await visitors to this lake.

Macabre astrological automaton clock dating to the late 1400s.

England's most notorious suicide spot.

On an island south of Iceland, a large volcanic rock formation resembles an elephant.

A Gothic cathedral created from volcanic rocks.

A perfect turquoise lake colored with glacier dust.

This strategically-placed fountain creates the magnificent illusion of mustangs galloping across a river.