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

A book bound in the skin of an infamous criminal, along with countless other specimens.

A 18th century graveyard and its astonishing cortege of macabre iconography.

The fountain marks the area where hundreds of accused witches were burned at the stake.

360° views of the city plus five floors of optical illusions and hands-on science.

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

Step into Narnia at this small park featuring statues from "The Lion, the Witch, and the Wardrobe."

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

This massive monument has been telling the time for 150 years—at a slight angle.

The last Victorian market in Belfast.

The only monument to name all of the passengers and crew who died on the RMS Titanic.

A palatial former bank building now houses what may be the poshest art venue (and former Tesco) in Belfast.

Belfast's namesake river still winds below the city center, hidden from sight.

These barriers stand as stark reminders of Northern Ireland's troubled past.

The ship built to ferry passengers and goods to the doomed Titanic is now the last remaining White Star Line vessel.

A museum marks and documents the site of the Titanic's launch.

Chelsea's soldiers were given strict orders when crossing this historic bridge.

A mysterious carving from 17th-century London seemingly depicts a young boy sitting on a bread basket.

Legend has it that seven Anglo-Saxon kings were coronated on this stone, located in the appropriately-named town of Kingston.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

The ritual has been performed uninterrupted for nearly 700 years.

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

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.