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

These engineering masterpieces are a dominant feature of the Belfast skyline.

The world's largest reflecting pool is just two centimeters deep.

This Bordeaux parking garage has 712 indoor spaces, and one outdoor.

These rusting, skeletal structures are monolithic monuments to Glasgow's industrial past

Spain's largest bullring offers a unique glimpse at architecture and history.

The one-time stronghold of the noble Douglas family, now home to ghost sightings and nesting birds.

Ruined castle with subterranean vaulted Goblin Ha' or "Goblin Hall."

The National Railway Museum in York is the largest railway museum in the world, attracting almost 1 million visitors per year.

Accessible only at low tide, the deserted island is dotted with World War II ruins.

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

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

Huge winged monument in the United Kingdom.

Britain's only herd of free-ranging reindeer.

Scotland's only funicular railway is also the United Kingdom's highest.

Another entry into the world of Edinburgh's pop-up artworks.

Follow the original medieval paths that wind through this intriguing section of the city.

The ruins of a 15th-century church once home to priests who prayed for a single family's salvation.

The medley of artwork tells the history of this Scottish town.

These fantastically named natural pools look like something out of a Scottish myth.

A succession of eerily contemplative iron figures lead from a Scottish museum to the sea.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.