York, England
Baile Hill
The little-known second castle that William the Conqueror built in York.
Places I want to go
Places on this traveler's wishlist.
York, England
The little-known second castle that William the Conqueror built in York.
Astura, Italy
A medieval stronghold rising over the ruins of ancient Roman villas along Rome's southern coast.
Monticello, Utah
Oddly shaped rock formation, misassociated with a nearby utopian community.
French Guiana
An abandoned colonial French prison notorious for its hellish conditions.
Brussels, Belgium
This charming, hidden guild museum holds some 700 years of crossbow history.
Gaziantep, Turkey
This hidden gem is bathed in beautiful natural light.
Glasgow, Scotland
This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.
Glasgow, Scotland
Climb this overlooked gem's spiral staircase and you'll be rewarded with spectacular views of Glasgow.
Predjama, Slovenia
Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.
Matavun, Slovenia
This massive subterranean fissure is known as the "underground Grand Canyon."
Postojna, Slovenia
A miniature train-ride through Slovenia's largest cave system.
Holland, Michigan
The park is home to the United States's only still-operating Dutch windmill.
Batang Duri, Brunei
A remote lodge nestled among some of the world's best-preserved rainforests.
Bryson City, North Carolina
The scant remains of this flooded historic village can be explored in one of the most remote areas of the Great Smokies.
Townsend, Tennessee
Mile-long cave system near Great Smoky Mountains.
South Pittsburg, Tennessee
This large cave is a summer home to thousands of bats and has a rich history dating back to prehistoric times.
Bloomington, Minnesota
Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...
London, England
The monster at the center of the Darwin Center Spirit Collection.
London, England
A wonderfully eclectic Victorian aquarium lies in the basement of the Horniman Museum.
Brussels, Belgium
This recently restored crypt was once plagued by liquefying coffins and exploding caskets.
Chesterfield, England
A labyrinthine underworld of tunnels and caverns hides beneath the city.
Brooklyn, New York
This small, hidden cove is home to abandoned boats.
Arcadia, Greece
Seventeen oak trees sprout from the roof and walls of this tiny chapel without any visual evidence of roots.
Katakolo, Greece
Get hands on with the technological marvels of the Classical world.