Savonnières, France
Les Grottes Pétrifiantes
Limestone grottoes turns everyday objects into stone.
Places I want to go
Places on this traveler's wishlist.
Savonnières, France
Limestone grottoes turns everyday objects into stone.
Headington, England
Beside the pew where C.S. Lewis often sat while attending church, a window filled with characters from his beloved stories.
Punxsutawney, Pennsylvania
A tradition unlike any other, this marks the site of the annual Groundhog's Day tradition.
Kutztown, Pennsylvania
In which a local geological marvel becomes a quaint roadside attraction.
Naica, Mexico
A gargantuan crystal kingdom.
Isle of Islay, Scotland
It's believed a castle existed at this site since the 12th century.
Salley, South Carolina
Hidden in this little-known town stands a piece of agriculture history.
Cedar City, Utah
Irontown was founded in 1868, as a second attempt to mine iron from the nearby Iron Mountain.
Toronto, Ontario
Lost subway station nestled beneath Toronto's busy commuter line.
Piercy, California
An optical illusion found amid a logged redwood forest.
Whorlton, England
An abandoned Yorkshire castle that is hidden in plain sight.
Nughedu Santa Vittoria, Italy
Ancient cave tombs known as the "houses of fairies."
Fermo, Italy
A 2,000-year-old engineering wonder hides beneath an Italian town.
Mammoth Cave, Kentucky
The world's longest known cave system.
Los Angeles, California
This nondescript tunnel has been featured in a number of iconic movies, from “Roger Rabbit” to “Back to the Future.”
Helsingør, Denmark
Old Danish castle immortalized in Shakespeare's Hamlet.
Copenhagen, Denmark
The old observatory in Copenhagen has a spiral corridor used as a racetrack.
Grafton, New Hampshire
Generations of rockhounds got their start at this beloved, historic mine.
Halchita, Utah
The location where the iconic movie character declared it was time to go home.
East Wemyss, Scotland
These ancient sea caves hold Britain's highest concentration of Pictish rock carvings.
Sorbie, Scotland
This fortified L-shaped tower is the ancient seat of clan Hannay.
Aztec, New Mexico
The hallowed remains of a 900-year old Ancestral Pueblo great house.
Kappern, Austria
Is this a portal to another side of the cosmos?
New Galloway, Scotland
Believed to be the birthplace of John Balliol.