What looks like missing grout is actually an old pub's peephole.

The phone booths in this English town have distinctly milky hues.

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Peanut butter trees and miracle berries are just the beginning.

The 25-million-year-old cavities have perplexed people for decades.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

Try not to get slimed in Tribeca.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

This suburban British town holds secrets that would have made the druids proud.

Brisbane's manmade urban beach has enough water to fill five Olympic-sized swimming pools.

The Liverpool street made famous by the Beatles is real.

The second smallest castle keep in England.

The quiet field that inspired one of the most famous songs of all time.

Locals spent years successfully fighting to save this beloved Brutalist behemoth from demolition.

What do we know about the real woman behind one of the Beatles' most famous songs?

This Georgian architectural masterpiece is the only cloth hall left in Britain.

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

One of the largest mechanical models of the solar system in the world.

Quirky outsider art transforms this garden shop into a little stone fantasyland.

The last of the 19th-century booze-free bars has been slinging teetotal tonics for over a century.

A museum of co-operativism housed in the birthplace of the modern movement.

Paul McCartney, Joy Division, and many others created era-defining music at this former recording studio.