Strange secondhand shop showcasing taxidermy and oddies

Peek through a transparent pyramid and drink in the mountain made of books.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

Stockholm's last remaining paternoster elevator.

A nearly 25-foot concrete sculpture of Sylvette, Picasso's muse.

The largest 19th century panorama in the world still in-situ.

Devious political maneuvering and four ancient, working telescopes are central to the world's second-oldest observatory.

A statue of the second-tallest Dutchman in history.

A set of 27 bamboo tubes creates an eerie soundscape that changes with the wind.

This beautifully designed star-shaped fort was the premier defense system of the late 1500s.

A former plague hospital turned medical museum.

A beautiful maze marks where three countries meet.