One of the shortest streets in York has an especially odd name.

Grotto replete with mystical designs laid out in glued shell mosaics.

This ornate English estates "Prodigy House" still bears the cannonball marks of civil war.

The collection contains over 25,000 items and details the painful dental practices of the past.

It's possible to walk inside one of the largest Neolithic tombs in Britain.

Shiny Brutalist box commemorates a pioneer of electricity and houses a railway transformer.

The curious and tiny collection contains some very odd objects.

According to legend, this tomb holds the secrets to time travel.

Huge concrete structures designed as an early warning system for Britain to detect enemy aircraft.

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

The remains of the great moral philosopher reside in a university in London.

An engineering error ensured this cavernous 350-foot-long subterranean thoroughfare was never used as intended.

Art Deco and “Wrenaissance” mash-up, this recently restored royal residence has been home to kings and comes with secret monkey passages included.

The secret wartime bunker built on the platforms of an abandoned Tube station.

The forest that inspired Winnie-the-Pooh's Hundred Acre Wood can be found outside London.

There's an exclusive Beefeaters pub hidden in the Tower of London.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

Scattered throughout London are ancient remnants of the city's former bounding wall.

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

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

This wildly-tiled artist's palace is a living and growing account of the creator's life, loves, and labors.

Remnants of a Victorian garden feature sitting in public woodland.

Rebuilt remains of a temple to Roman god Mithras.

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