The compass on its front was a handy tool for 17th-century merchants who needed to know the direction of the wind.

These quintessentially English stepping stones were built for Victorian tourists.

This haunting stone chasm is a hotbed of mossy rock and English legend.

This chain of artificial lakes was an ideal test ground for the aircraft that would carry the "bouncing bombs" used by the WWII "Dambusters" squad.

Semi-precious Blue John stones have been mined in this cavern system for centuries.

The largest oak in England is said to have been the hideout of Robin Hood and his Merry Men.

Want to properly offend a king? Sculpt a giant hill figure in chalk of him riding out of town.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

This 22-floor tower's Skydeck offers panoramic views of Amsterdam.

The mirrored section takes the shape of Hebrew characters when viewed from above.

A line number in Amsterdam that will likely never be used again due to its tragic history.

Europe's official "zero-level," the equator of elevation.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

Some 80,000 Delft Blue tiles line the inside of this Amsterdam walkway.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

The Tudor-style cottage in the middle of the square is not quite what it seems.

At the top of the hour, figures of the London department store's two co-founders emerge and bow to each other.

This statue includes the molehill that toppled a king.

Outside of one of Britain's most renowned social clubs, a step installed specifically for the Duke.

The final resting place of a German diplomat's beloved companion.

An archway adorned with vulnerable flora and fauna.

A living memorial to the trees London lost during the Great Storm of 1987.

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

This coffee shop lies hidden beneath a historic church.