Boulder, Colorado
NIST-F1 Cesium Fountain Atomic Clock
The clock that sets them all.
Places I want to go
Places on this traveler's wishlist.
Boulder, Colorado
The clock that sets them all.
Schaumburg, Illinois
The face of a woman pushes its way through the earth.
Rutland, Massachusetts
The ruins of a Massachusetts prison farm can still be found crumbling the woods of a state park.
Teec Nos Pos, Utah
The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.
Minneapolis, Minnesota
20,000 pieces in a Frank Gehry-designed building.
Meagher, Montana
Mining town from the late 1890s, once home to Calamity Jane.
Pittsburgh, Pennsylvania
The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.
Des Moines, Iowa
This zombie-themed restaurant stands out in the heart of corn country.
Tampa, Florida
A gleaming white tower in ornate Indian style soars above the low-slung bungalows of north Tampa.
Simi Valley, California
An eccentric folk art landmark made out of discarded bottles by an inspired "grandma."
Hyattsville, Maryland
An intricately designed junk art house with four extravagant junk art cars hidden in the suburbs.
New York, New York
This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.
Kings Park, New York
Beneath the mossy overgrowth covering this once-sprawling campus lies decades of history and the secrets that come with it.
Bethlehem, Pennsylvania
The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.
Gloucester Courthouse, Virginia
This once-palatial plantation may have been the site where a draft of the Declaration of Independence was written.
Gatlinburg, Tennessee
Over 20,000 sets of spice shakers reveal the surprisingly telling history of our most basic spices.
San Luis Obispo, California
A Mysterious Masonic tomb in San Luis Obispo.
Newark, California
From the sky, a kaleidoscope of color brightens the grey landscape of the San Francisco Bay.
Velarde, New Mexico
A preserve with 75,000 ancient drawings remains the realm of public – not just scientific – exploration.
St. Augustine, Florida
This curio museum seems like the type of place you might find a mogwai or a monkey's paw.
Jemez Springs, New Mexico
A unique geological area spiked with wind-carved rocks that resemble teepees.
New Orleans, Louisiana
A little piece of Paris in the sultry south of the U.S.
San Francisco, California
A library built during San Francisco's pioneer times is a student's retreat, bibliophile's sanctuary, and chess player's delight.
Drummond, Montana
This amazingly preserved Gold Rush town is a historian's dream.