A striking glass tribute to two sisters who suffered during Scotland's "Killing Time."

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

In the middle of downtown Brooklyn lies a 165 year old secret hidden right below the surface (closed to the public indefinitely).

This opulent Pueblo Deco movie palace melds Art Deco and Native American motifs.

Home of the International Space Hall of Fame.

More than 21,000 images fill this overlooked gem of a prehistoric site.

A museum dedicated to the alleged Roswell Incident.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

Rotterdammers' dirty minds gave this santa a dirty nickname and cursed it to a life of wandering.

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

Preserved "bog person" that is over 2,000 years old.

An artist has turned what most people would consider a bathroom nightmare into a work of political art.

Denmark's famous pseudo-hill.

Danish observation tower designed to look like a giant beer bottle.

This striking royal residence is the largest Renaissance-style castle in Scandinavia.

The greatest amusement park in the world is wall-to-wall farting dogs, puking rats, and cows with exposed breasts for the whole family.

Mounds, rune stones, and a 1,000-year-old church, left behind by Denmark's first two kings.

The original home of the Lego has a huge amusement park dedicated to the iconic plastic toy.

The oldest amusement park in the world has been providing a nice spot to have some fun since the 1500s.

Old Danish castle immortalized in Shakespeare's Hamlet.

A natural wonder in south Denmark.

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