This public pool is one of the last remaining lidos of the countless built in the 1930's as public works projects in the United Kingdom.

The remnants of a strange stilted building on rails can still be seen at low tide.

A stone plaque and a winking pub name are all that remain to remember the victims of deadly 1836 avalanche.

The elegant structure of this 19th century railroad bridge creates an illusion of infinity.

Regency-era excess on the English Coast.

This memorial to the thousands of Indian dead during WWI was callously used for target practice during WWII.

This tunnel entrance is built to resemble a grand castle but no one is quite sure why.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

Where the sleeping monsters of Scotland's oil industry are left to rust.

A magnificent, iconic stone tower in the Scottish Highlands.

Fifty years of contamination in Scotland's waters.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

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

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

A small island abbey is the final resting place of many medieval Scottish monarchs, including the real Macbeth.

These Roman ruins in England’s Lake District are 2,000 years old, but look pretty good for their age.

The lake that fills and empties itself at random.

The highest peak in all of England is plagued by dangerously fickle climate shifts.

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

This Gothic Revival castle used as a shooting location for "The Secret Garden" and other films.

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.

Geodesic dome luxury retreat in the Scottish Highlands.

This enchanting Victorian estate was home to the world's first hydroelectric power generator.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.