A verdant 17th-century-style garden hidden along Edinburgh’s Royal Mile.

The bell that once tolled atop a lost Edinburgh gate now hangs for all to see.

This unusual statue overlooking the Royal Mile has an interesting backstory.

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

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

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

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

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

These ornate arches show how the course of the River Thames has changed.

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

The pretty iron lamp is a reminder of the architecture underneath London's streets.

England's most famous front door has an accidental doppelganger.

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

These paved rills bring freshwater into Altstadt and could spell wedding bells for whoever stumbles into the waters.

The medieval woodcut-style artwork chronicles life in medieval London.

One of the largest free-standing structures ever built, this dirigible hangar is now simply a giant skeleton.

A pair of pure white felines guard the entrance to a spot of California real estate established as an artist's haven.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

Housed in a memorial lighthouse, this museum relays the history of surfing, beginning with the antics of royal Hawaiian teenagers.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

A tongue-in-cheek arcade where the games are based on everyday life.

This secret garden has bloomed into London's most unique hub of urban creativity.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.