A plaque commemorates a Victorian scientist's monumental discovery about waves.

The lasting remains of a bygone era of open-air meat markets.

A building-sized painting of the renowned 19th-century American abolitionist.

The tomb of one of Scotland's bloody historic villains is a magnet for bumbling desecrators.

Protecting the dead from opportunistic body snatchers.

The most loyal of little dogs, or a Victorian era publicity stunt?

The 20th-century chapel’s intricate woodwork includes amazing details, most notably angels playing bagpipes.

Edinburgh's oldest statue hides within a parking lot behind the city's iconic cathedral.

A sweet symbol marks the place where torturous executions were once carried out.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

This painting of a beloved dog will be on display at the Scottish National Gallery at long as the museum exists.

Copenhagen's "other" little mermaid marks the historic location of past sea maid sightings.

This massive subterranean fissure is known as the "underground Grand Canyon."

A modern, secular take on a traditional Virgin Mary motif.

One of Scandinavia's largest mosaics pays tribute to Danish art and science luminaries.

Local legend says a monk brought Christianity to Bornholm through his sermons in a cave inside this free-standing rock.

Dozens of musicians have planted trees in this Danish park, and donated songs to go with them.

Considered one of the most haunted places in Europe, this 800-year-old castle was home to noble prisoners.

A former smithy turned cultural hub with the capital's largest mural space.

The ruins of a 2,000-year-old Roman fishing village perched on one of the best beaches in Spain.

An unconventional and naturalistic sculpture depicting the artist marking his territory on an exterior faculty wall.

Once a meeting point for great thinkers, and the midpoint of the country.

Visitors are treated to a stained glass kaleidoscope interior inside this work of art.

The traveling wares of Denmark's most famous author.