An unusual but excellent display created in the 1930s as propaganda against the Freemasons.

The remains of a small medieval chapel mark the legendary birthplace of the patron saint of Wales.

The medieval legend behind this holy well was one of the inspirations behind "Alice's Adventures in Wonderland."

The oldest stone house in Paris was built by its most famous alchemist.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

An abandoned football stadium with a tragic past.

The second smallest castle keep in England.

An unusual art exhibition in a suburban yard is designed to awaken the souls of those flowing by.

Led Zeppelin wrote some of their most iconic songs at this little 18th-century Welsh cottage.

For six months of the year, three giant mirrors direct a pool of sunshine onto this otherwise occluded town.

The hidden offices underneath Memorial Bridge have been locked up since 1976.

The Arctic Archipelago is home to world's largest third order island: an island in a lake on an island in a lake on an island.

Remnants of a wall built to separate Black residents of Hall's Hill from a newly built subdivision are a grim reminder of segregation in 20th-century Virginia.

A measuring mishap led to these artificial stone ladies losing their stomachs.

A misunderstanding gave this 18th-century racehorse a most amusing name.

From the sky, a kaleidoscope of color brightens the grey landscape of the San Francisco Bay.

An acoustic anomaly with a mysterious cause.

A house turned museum is the real-life "home" of the fictional main character of The Wizard of Oz.

The ruins of a once-grand mansion in Northern Ireland are now thought to be haunted.

A replica memorializes the site where women were punished after the last witchcraft trial in Ireland.

If you ever wanted to touch a medieval mercenary’s three testicles, look no further.

This hill and tower are steeped in legend, from King Arthur to the Holy Grail.

Fascinating town where normal life interfaces with the occult.

A hidden three-foot-wide house separates these two regal churches.