An enormous playhouse designed to look like 21 stacked Lego bricks, with another 25 million colorful Legos inside.

A natural wonder in south Denmark.

Along this stretch of beach in Denmark resides several massive bastions of energy.

A symbol for the opposition to nuclear power around the world.

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

Four alabaster giants contemplate the tides on the shore of Denmark.

Old Danish castle immortalized in Shakespeare's Hamlet.

This colorful artistic feature atop a Danish art gallery allows visitors to stroll through a rainbow.

Discovered in a peat bog, these horned helms come from a thousand years before the Viking Age.

Site of the first radio and telephone broadcasting companies in Copenhagen.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Copenhagen's celebrated theme park and gardens.

An ornate "graveyard" for some of the country's forlorn building relics.

Overlooking the burial ground is a tower designed to prevent thieves from snatching the recently deceased.

This alley off Edinburgh's Royal Mile contains remnants of the city's seedier history.

A verdant 17th-century-style garden hidden along Edinburgh’s Royal Mile.

This 16th-century house tells the city's history through old artifacts and quirky tales.

This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.

A 18th century graveyard and its astonishing cortege of macabre iconography.

A quartet of brightly colored mythical beasts stand sentry at this gateway.

A series of three shiny letters mark the boundary of an old refuge for those being pursued by debt collectors.

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

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

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