Los Angeles, California
Helios House
First LEED-certified gas station in the United States.
Places I want to go
Places on this traveler's wishlist.
Los Angeles, California
First LEED-certified gas station in the United States.
Mesa Verde National Park, Colorado
The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.
Barcelona, Spain
A beautiful but toxic fountain of mercury.
San Andrés Cholula, Mexico
An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.
Orp-Jauche, Belgium
Ancient man-made caves underneath small town Belgium.
London, England
The largest of London's subterranean rivers and once a mad, bad center of London life.
Pasadena, California
Suburban observatory was personal lab of the father of modern astrophysics.
Kaneohe, Hawaii
A Hawaiian stairway to heaven—that you can't climb.
England
Surreal riveted sea forts once protected the Kent shores from German attack.
Piercy, California
An optical illusion found amid a logged redwood forest.
California City, California
The "3rd largest" city in California is an empty mirage of suburbia in the middle of nowhere.
Blythe, California
Ancient human, animal, and geometric figures drawn in the earth.
Austin, Texas
This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.
Wadsworth, Illinois
A six-story-tall golden pyramid, surrounded by a moat.
Austin, Texas
Home to the largest urban bat colony in North America, estimated at 1.5 million bats.
Baltimore, Maryland
A museum dedicated to exhibiting remarkable outsider art.
Los Angeles, California
America's most famous piece of self-built architecture.
Maple Ridge, British Columbia
A large spinning bath of liquid mercury, used to probe the early universe.
Brooklyn, New York
In the middle of downtown Brooklyn lies a 165 year old secret hidden right below the surface (closed to the public indefinitely).
Crossville, Tennessee
This structure among the trees was the result of divine inspiration.
Penteli, Greece
Hideout of thieves, monks, and goat-footed gods.
London, England
Charles Babbage's proto-computer, painstakingly brought to life.
Joshua Tree, California
Explore 10 acres of environmental sculptures.
Athens, Greece
A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.