This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Climb inside an iron crystal magnified 165 billion times its normal size.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

The site of a concentration camp where inmates were made to take part in one of the largest counterfeiting operations in history is now hauntingly empty.

Established in 1638 to battle the Black Death, this botanical garden is a treasure trove of rare flora.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

A beautifully eclectic mix of architectural styles.

This disused VLF radio station is no longer in service but the surrounding town still bears its name.

A grassy pyramid named after a French battle.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.