One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

The most loyal of little dogs, or a Victorian era publicity stunt?

This historic observatory contains the world's oldest refracting lens telescope.

Unconventional site where the tracks of Zurich tramcars intersect.

The largest prehistoric ruins south of the Sahara, once a powerful center of international trade.

This one has sailed five times as far as Sir Francis Drake's famous ship.