The last Tsar of Russia constructed this private church just so he could attend services when visiting his wife's hometown.

A former Nazi lookout tower with a magnificent view of the Rhineland.

Charles Dickens described the concert room in this amazing Victorian hall as "the most perfect room in the world."

A tiny chapel perched along a 14th-century bridge.

This unique museum is housed in a rare example of an early 19th century prefabricated cottage.

This police call box harkens back to an era of pre-radio communications, and has a rather unique feature.

Where Agatha Christie mysteriously disappeared in 1926.

These unique stepping stones hug a river's edge to take hikers on a journey through a limestone gorge.

This small building nestled along the Dove River is seen by some as the birthplace of angling as a sport.

The adorable animals return to this nature reserve every fall to give birth to their pups.

This former Victorian bathhouse was all the rage during the mid-19th century and put Woodhall on the map.

This marine reptile was discovered by one of the 19th century's greatest fossil hunters.

Two large posteriors in one giant statue.

This memorial pays homage to the Royal Air Force squadron that breached two important dams during World War II.

A massive, secret marina for the Nazis' most formidable weapon in the Atlantic.

Legend says this demonic carving inside a medieval cathedral was one of Satan's minions.

The world's first military tank was designed in this English city amid the stalemate of WWI trench warfare.

A seaside town with no sea in sight.

A labyrinthine underworld of tunnels and caverns hides beneath the city.

These quintessentially English stepping stones were built for Victorian tourists.

Despite its ornamental looks, this towering Tuscan-inspired anomaly was a masterpiece in hydraulic engineering.

This tiny shoe shop claims to be the smallest store of its kind in Britain.

The charming collection illustrates life in Lincolnshire in the 18th through 20th centuries.

Inside this chapel, Victorian jailers took the separate system to new levels.