A 1,215-foot tunnel transports pedestrians beneath the River Thames.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

The heads of two giant mythological water horses honor Scotland's horselord past.

The fictional birthplace of the Chief Engineer aboard the Starship Enterprise.

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

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

A British plaque explains that a house was built using the spoils of the first international golf bet.

Europe's first floating restaurant is home to a hilarious legend.

A whale rib was used to advertise the store by the arch that offered exotic goods from far away.

Pilgrimage site for star-crossed lovers.

A historic observatory precariously perched at the "Top of Europe."

The celebrated eyesore created by starry-eyed sweethearts.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

The world's largest collection of ship figureheads includes figures from legends and history alike, from Sir Lancelot to Abraham Lincoln.

When the plague struck York, this stone was used to leave supplies for the sick.

After public executions took place at this location, attendants would also attend a local horse race.

Twice a day this ancient path disappears with the tides, leaving the Holy Island of Lindisfarne out to sea.

This tidal island, a sacred site in early English Christianity, was the target of a notable Viking invasion.

These upturned herring boats make nifty storage sheds for fishing goods.

The sign at the garden gate reads: "These Plants Can Kill."

This giant wooden treehouse within a sprawling garden has its own eatery.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

The second-highest train station in Europe.