17th century streets hidden under Edinburgh were once a breeding ground for the black death.

The block of aged dairy is probably still edible after 2,300 years in a peat bog.

Wallabies live naturally on this Irish island.

This Irish museum in a historic 19th century market pays tribute to the glory of butter.

This controversial Irish show cave is home to a massive formation known as the Great Stalactite.

A corkscrew-shaped barn in Ireland.

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

An eccentric aristocrat brought these Australian natives to their current Scottish home.

Spend the night in this formerly abandoned traditional Scottish village.

The elaborate clockwork contraptions in this Scottish gallery create small worlds of whimsy and horror.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

A 200-year-old collection of oddities and medical paraphernalia.

A secret door leads to this cozy dive that sells only “milk.”

A sea cave with a waterfall and Viking past

This vintage gem is one of the oldest surviving purpose-built movie palaces in Scotland.

A remote island holds what claims to be Scotland's smallest cinema.

Neon artworks light up this dark Edinburgh tunnel.

This bronze statue was erected to honor a small Scottish town's beloved stray cat.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

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