This unique bridge curls up like a caterpillar to let boats pass and then unfurls again to span a small canal.

The discovery of this Neolithic settlement, which contained a Stone Age "cathedral," threw archaeologists for a loop.

A beautiful Greco-Roman structure houses a well once believed to have healing powers.

A former fisherman's hut deemed too small for habitation is now a delightful tourist draw.

A six-ton wedding present for the King of the Scots.

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

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

Where condemned pirates met their grisly end at the gallows on the River Thames.

This early version of the guillotine was used to execute the man responsible for its construction.

This 16th-century house tells the city's history through old artifacts and quirky tales.

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

Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."

One of the world's oldest trees comes with a Welsh legend intertwining it with a spirit prophesying death.

Every birth, death, and marriage is recorded in these color-coded leather-bound books.

Climb this overlooked gem's spiral staircase and you'll be rewarded with spectacular views of Glasgow.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

The Liverpool street made famous by the Beatles is real.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

The tomb of one of Scotland's bloody historic villains is a magnet for bumbling desecrators.

This century-old grotesque has a mysterious history and may not actually be a rabbit.

The wooden telephone box hidden away in London's Piccadilly was the original prototype of the iconic kiosk.