This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

This 1920s Dutch barge is now a floating bookstore.

Rebuilt remains of a temple to Roman god Mithras.

This museum tucked below a charming cafe gives a brief snapshot of photographic history.

The ruins of a church destroyed by both the Great Fire of London and the Blitz, now turned into a peaceful garden.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

Scattered throughout London are ancient remnants of the city's former bounding wall.

This beautifully verdant lagoon is tucked below a massive volcano in a crater atop a black pebble beach.

A modern English garden of eccentric beasts, follies, and oddities.

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

This chain of artificial lakes was an ideal test ground for the aircraft that would carry the "bouncing bombs" used by the WWII "Dambusters" squad.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

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 eye-popping Icelandic crater lake is surrounded by red volcanic rock.

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

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

The design of this beautifully crafted building was inspired by Norwegian glaciers.

A favorite with sightseers and locals alike, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

One of the most breathtaking railways in Europe also takes one of the steepest climbs, from fjord to mountain plateau.

The burning of this 12th-century church kicked off a campaign of Norwegian Black Metal terror.

Home to three historic ships from the age of Vikings.