This natural "sea of stones" was once used by the Romans as a quarry.

The highest cold-water geyser in the world.

The final resting place for a wealthy Roman family, this tomb might be the best preserved of its kind outside Italy.

The ruins of an ancient island city built atop a coral reef in the South Pacific are spectacular and strange enough to have inspired H.P. Lovecraft.

This elaborate temple was built around one of the Buddha's teeth.

Copenhagen's celebrated theme park and gardens.

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

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

Six beautiful wooden giants are hidden around Copenhagen.

Vortex-shaped aquarium hosts Europe's largest school of piranhas and other ocean creatures.

This secret collection of the strange and occult was rediscovered in a forgotten room of an old house.

A natural wonder in south Denmark.

Old Danish castle immortalized in Shakespeare's Hamlet.

This Danish rock field is actually a sprawling ancient cemetery holding the bodies of 700 Vikings.

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

This Denmark theme park is part family attraction, part experimental archaeology project.

An old limestone mine transformed into a beautiful and unusual sculpture museum.

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

Where layer cakes tower above one’s head and there is never a shortage of icing.

This massive complex is made up of hundreds of smaller temples that date back to the ninth century.

Buddha shrines hide within dark tunnels at this unique forest temple.

A white Buddhist temple with a golden restroom.

Self-mummified monk who wears sunglasses and has become a gecko hatchery.

A Buddhist shrine in a cave protected by macaques next to dark passages lined with creepy paintings.