The last bastion of Roman presence north of the Alps looms over a German town.

This overlooked street light once served as a KGB dead letter box.

Bronze sculpture celebrating the relationship between Churchill and Roosevelt.

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

This luxury shopping lane has been protected by its own tiny police force for over a century.

A traditional American farmhouse plopped in the middle of a Piccadilly courtyard.

An unusual ode to the late Irish playwright, complete with a squiggly bust and coffin-shaped bench.

The broken skateboards that became a poignant memorial to a murdered skater.

A haunting monument dedicated to the Royal Naval Air Service and the Fleet Air Arm.

The bronze uniforms commemorate the vital role of women during World War II.

A tiny replica of the iconic London landmark hides on the side of the steel structure.

This striking statue brings a scene from the African savannah into central London.

This once-controversial and slightly confusing statue of Achilles was built out of captured cannons.

The famous polar explorer stands outside the Royal Geographical Society's headquarters.

This ancient oak plays host to carvings of magical elves, gnomes, witches, and other creatures prominent in local folklore.

An architectural oddity hides in plain sight on this iconic London bridge.

The ritual has been performed uninterrupted for nearly 700 years.

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

The "beautiful" equation predicting the movement of all electromagnetic particles is engraved in front of Newton's tomb.

The rose garden in Regent's Park where Pongo and Perdita met for the first time in Disney's "101 Dalmatians."

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

London's smallest police station is barely the size of a phone booth.

A statue of the original Pearly King is hidden in a church's crypt.

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