Borshchivs'kyi district, Ukraine
Priest's Grotto
A subterranean Holocaust refuge within one of the world's longest cave systems.
Places I want to go
Places on this traveler's wishlist.
Borshchivs'kyi district, Ukraine
A subterranean Holocaust refuge within one of the world's longest cave systems.
Kamianets'-podil's'kyi, Ukraine
This Ukranian fortress is one of the best-preserved medieval castles in Europe.
Ávila, Spain
These magnificent city walls rise from the barren sun-baked Spanish plains like something straight out of a fairytale.
Rajsamand, India
The second-longest continuous wall on the planet protects a hidden secret in the deserts of India.
Keswick, England
A museum in England’s Lake District dedicated to the trusty pencil wants you to know the story of their World War II spy pencils.
Cookley, England
Near Birmingham, England three and a half miles of top-secret tunnels housed a World War II “shadow factory” and a Cold War nuclear bunker.
Kinver, England
The last occupied troglodyte dwellings in England weren't abandoned until the 1960s.
Manchester, England
19th century museum with an eclectic mix of curiosities, from Egyptian artifacts to items on archery history to the skull of the world's oldest horse.
Indianapolis, Indiana
A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.
Indianapolis, Indiana
This hidden stream beneath Indianapolis makes an appearance in the best-selling novel "Underground Airlines."
Kneippen, Sweden
Visit the home of Sweden's beloved fictional character, Pippi Longstocking.
Icod de los Vinos, Spain
This local emblem is the oldest and largest dragon tree in the Canary Islands.
Tainan City, Taiwan
The tangled roots of a giant banyan tree have fully reclaimed the ruins of this abandoned warehouse.
Guatemala
One of the world's largest pyramids stands within El Mirador, the "lost city of the Maya."
Tikal, Guatemala
Monkeys inhabit the lush forest surrounding ancient Mayan ruins once considered sacred.
London, England
These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.
London, England
This magnificently macabre shield shows the power of chivalrous love in medieval times.
Bayeux, France
This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.
Bovey Tracey, England
This historic factory peddles classic toys from the picturesque English county of Devon.
Papantla, Mexico
The singular ruins of a mysterious lost city.
Moab, Utah
A house carved into a rock in the 1940s.
Corinne, Utah
An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.
Midway, Utah
This geothermal hot spring hides beneath a slowly growing mineral dome.
Wendover, Utah
Come for the speed, leave in love with the desert.