This intriguing Bronze Age artifact spent centuries hidden within a Welsh faerie hill.

Victorian-era Londoners really wanted to believe this 17th-century cistern was actually an ancient artifact.

An American ghost town hides along a side street in Scotland's capital.

A collection of machines designed to break things for science.

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

William Smith's iconic "map that changed the world" is hidden behind a curtain in the Geological Society building.

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

The world's oldest family-run magic shop is hidden beneath a bustling London thoroughfare.

The sumptuous ceiling was one of the last things Charles I saw before his execution.

The beloved bard's garb is proudly displayed within a Freemason's hall.

This museum inside a museum tells the story of London's timepieces.

The world’s first museum dedicated to the history of childhood opened in Edinburgh in 1955.

This Czech church doubles as something of a permanent fashion exhibition for a statue of the Infant Jesus.

The location of this historic castle was inspired by a donkey.

A relic of medieval punishment marks the center of this quintessential English village.

Home to one of the tallest church spires in Europe, this historic church once played host to King Henry VIII and Anne Boleyn.

The eternal resting place of the last highwayman hanged in England.

You can climb to the top of the column built to honor the "father of British inland navigation."

This knockout museum lies in a sleepy corner of London.

The lavish, well-preserved home of a wealthy Baba Nyonya family is now a cultural museum.

A network of concealed passageways lies within a busy London Underground station.

A fully functional, 200-year-old remnant of the time when Brixton was mostly fields.

This early Norman castle was the first historical monument protected by an act of Parliament.

A quiet patch of astroturf laid out between a building that seems to be splitting in half.