Vail, Arizona
Colossal Cave
Legend says train robbers stashed their gold within the depths of this unusual cave.
Places I want to go
Places on this traveler's wishlist.
Vail, Arizona
Legend says train robbers stashed their gold within the depths of this unusual cave.
Denver, Colorado
Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.
Denver, Colorado
A small horde of mythical creatures lurk almost imperceptibly within the museum's wildlife dioramas.
Denver, Colorado
The huge collection of paintings of the American West is one of Denver's best-kept secrets.
Broomfield, Colorado
The final resting spot of the Colorado Transportation Department's beloved unofficial mascot.
Denver, Colorado
Where scientists keep miles of very valuable ice from Antarctica and Greenland from melting.
Lakewood, Colorado
At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.
Wheat Ridge, Colorado
A seven-story 1920s mausoleum outside Denver houses thousands of remains.
Denver, Colorado
In a dry, neglected cemetery lies the unassuming grave of a soldier vilified in life but celebrated in death.
Omaha, Nebraska
These experimental weapons brought World War II to Nebraska as well as 26 other U.S. states.
Sakskobing, Denmark
It might look like just a pile of sticks—because it is. But there's a dark history to how this stack got its start.
Tucson, Arizona
This southwestern historic site was designed and built by an artist who wanted his work to "feel at home."
Rocky Hill, Connecticut
The ancient past meets the retro-future at these dinosaur tracks that are protected by a geodesic dome.
Middlefield, Connecticut
This petite park lets visitors see and touch examples of fossilized dinosaur tracks.
Meriden, Connecticut
A lone tower rises above the cliffs in a city park, offering fantastic views of the Connecticut landscape.
Waterbury, Connecticut
A miniature village lies nearly forgotten in the forest by the side of a major highway.
Puerto RĂo Tranquilo, Chile
Mother Nature outdoes herself with this stunningly beautiful set of caves carved into marble.
Rapa Nui, Chile
The ominously named cave is home to some remarkable ancient art.
Chamoli, India
A lake with hundreds of ancient skeletons surrounding it. The surprise is what killed them.
Atlantic Ocean
Fascination continues to surround one of history's most infamous shipwrecks.
Halifax, Nova Scotia
This crescent-shaped sliver of sand is a magical haven for a herd of feral horses.
Lake and Peninsula, Alaska
The simple log cabin of a famed loner and naturalist stands preserved as a symbol of the ultimate DIY lifestyle.
Pemuteran, Indonesia
A unique project to help restore coral reefs in Bali.
Antarctica
At the point of oceanic inaccessibility, you can't get farther from dry land without leaving the planet.