This elaborate Byzantine-style building was designed for a not-so-pretty purpose.

This 1920s Dutch barge is now a floating bookstore.

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

A subterranean ice warehouse that has lain hidden beneath central London for over a century is now open to the public.

Man-made cave with enigmatic carvings, some say made by the Knights Templar themselves.

Home to one of the tallest church spires in Europe, this historic church once played host to King Henry VIII and Anne Boleyn.

These ruins of Francis Bacon's once-magnificent manor are hidden in the English countryside.

This windmill is believed to be the oldest in the British Isles.

The eternal resting place of the last highwayman hanged in England.

A mysterious bridge over a sunken Roman road.