Leilani Osmundson, Digital Producer Though you'll have to trek 30 miles north of Copenhagen to reach Kronborg Castle, this UNESCO World Heritage-listed structure in Helsingør can't be missed.

You can tour Rosenborg Castle for 130 Danish kroner (about $19); children ages 17 and younger can peruse for free. Those with the Copenhagen Card receive free admission as well. Hours vary by ...

Building sand castles, most people will tell you, is a summer pastime for children at the beach. But not for Paul Hoggard, Remy Geerts, Craig Mutch and Calixto Molina, who have turned sand castles ...

you will find Candleston Castle, a ruined 14th-century fortified manor house thought to be named after the Norman family De ...