Philadelphia, Pennsylvania
Cave of Kelpius
Where America’s first doomsday cult awaited the end of the world.
Places I want to go
Places on this traveler's wishlist.
Philadelphia, Pennsylvania
Where America’s first doomsday cult awaited the end of the world.
Kitakyushu, Japan
An exquisite tunnel of cascading flowers.
Fez, Morocco
Thousands of narrow alleyways in an ancient medieval city make up what's believed to be the world's largest car-free urban zone.
Cáceres, Spain
Fragments of human bones are embedded in the walls of this quaint alley.
Rufisque, Senegal
This deceptively salty lake looks like blushing pink lemonade.
Seville, Spain
The world's largest wooden structure.
Puebla, Mexico
A 500-year-old series of tunnels long believed to be folkloric was uncovered beneath the streets of Puebla.
Carnoët, France
A remote hilltop covered in giant monoliths haunts the Brittany countryside.
Colares, Portugal
The verdant mossy ruins of a Franciscan monastery lie in the remote Sintra hills awaiting exploration.
Rotterdam, Netherlands
A nearly 25-foot concrete sculpture of Sylvette, Picasso's muse.
Amsterdam, Netherlands
A curious collection dedicated to human and animal anatomy and pathology.
Iceland
A formerly glacier-tipped volcano that inspired none other than Jules Verne.
Iceland
A winding, blood-red tunnel of hardened lava navigable by foot.
Patan, India
This magnificent stepwell is designed as an inverted temple and adorned with 1,500 sculptures.
Castellón, Spain
A whimsical garden of outsider art in the Spanish countryside.
Datong, China
A fifth-century temple improbably built into the side of a cliff.
East Tigray, Ethiopia
Reaching the "Church in the Sky" requires scaling the cliff face of a sandstone pinnacle with a 650-foot drop.
Villefranche-sur-Mer, France
A medieval military street hidden beneath a charming French fishing village.
Dubrovnik, Croatia
The complex has been abandoned since the Croatian War of Independence, barring a stint as a set for 'Game of Thrones.'
Montpellier, France
100-windowed castle turned art gallery, built by one dedicated mason.
Setenil de las Bodegas, Spain
A Spanish town built into the cliffs.