Nearly 40 miles and 1,000 years of limestone mines under Denmark.

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

The northernmost point in Denmark is a turbulent sandbar created by two clashing seas.

The gilded, masterful astronomical clock will calculate time, dates, and planetary positions for thousands of years to come.

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

Iron Age "bog person" preserved for over 2,300 years.

A natural wonder in south 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.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

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

Long before air conditioning, Persian architects found an ingenious way to cool off.

Metro station with a claim to rock n' roll fame.

The world's first clock to use set theory as a measure of time required the invention of a new light bulb just to maintain its obtuse measurements.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

This Japanese national treasure was originally built in 593.

Coast along one of Japan’s mountain railways for coveted views of magnificent hydrangeas.

Legend holds eating just one of these black eggs can add seven years to one's life.

This little replica of Lady Liberty provides a bit of NYC in a Japanese city.

Peace Park and the Atomic Bomb Dome.

A plaque marks the site directly below the mid-air detonation of the atomic bomb over Hiroshima.

The quintessential Japanese rock garden has existed for more than 500 years.