The ruins of a once-grand mansion in Northern Ireland are now thought to be haunted.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

A nun spent 16 years painting the stunning Celtic mural that covers the interior of this WWI memorial.

This volcanic cave lake is essentially hard proof that Iceland is the most magical place on Earth.

This fairytale-like structure is the last turf church ever constructed in Iceland.

A little-visited waterfall in an otherworldly landscape.

The oldest church in Iceland is one of the few to feature ornate decoration.

This hobbit-y little hot spring may be the oldest spring used by humans in all of Iceland.

These ominous lava formations were said to be an entrance to the netherworld so of course they inspired a famous metal band.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

This modern monument to pagan belief looks like it was transported straight from ancient times.

Iceland's "Smoky Valley" is a beautiful river that is shrouded in a constant cover of steam clouds.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

Rising from the sea like a stone monster.

This medieval church tower has maintained its clockworks since the 16th century.

This long-hidden space above Westminster Abbey now displays the battle gear of the legendary King Henry V.

The sixth of London's "Magnificent Seven" cemeteries, and a source of unlikely inspiration to Beatrix Potter.

A historic London cemetery now serves as a nature park incorporating gravestones & memorial statues.

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

Overlooking a Scottish loch, this beautifully crumbling castle once inspired a poem by William Wordsworth.

A meandering boardwalk across the bogland leads to a "stairway to heaven" with sublime views.

A standing relief of a Norman knight whose posture marks him as a Crusader.