Greenland
The Oldest Chunk of Rock in the World
The 3.8 billion-year-old rock proves that tectonic plates may have been shifting longer than we thought.
Places I want to go
Places on this traveler's wishlist.
Greenland
The 3.8 billion-year-old rock proves that tectonic plates may have been shifting longer than we thought.
Australia
One of the only places where Earth’s mantle lies above water.
Boston, Massachusetts
This Boston medical museum features the skull of the famous medical case of Phineas Gage.
Boston, Massachusetts
The former site of an all-but-forgotten colonial landmark is now remembered by an often overlooked bas relief.
Hull, Massachusetts
Civil War Fort on an island in the Boston Harbor.
Boston, Massachusetts
On a former island, this old fortification once used to protect the Boston Area and started Edgar Allan Poe in his military career.
Boston, Massachusetts
19th-century operating theatre in which the use of ether was first demonstrated - plus, a skeleton and a mummy!
Cameron, Montana
A 6-mile-long lake created by an apocalyptic seismic event and the deadly chain reaction that ensued.
Creede, Colorado
This once-popular otherworldly landscape was formed by one of the largest volcanic eruptions in history.
Taos Ski Valley, New Mexico
This highest peak in New Mexico is named after an explorer who had a habit of lending his moniker to peaks.
Albuquerque, New Mexico
This pseudo-steampunk weapons facility is the world's largest wood and glue structure, and packs quite a wallop.
Magdalena, New Mexico
Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.
New Mexico
Twice a year, visitors can tour the desolate site that birthed the Atomic Age.
Chicago, Illinois
The last remnants of a lakeside airport that was bulldozed overnight by the mayor of Chicago.
Chicago, Illinois
This surprising gem is a world-class archeological museum hidden at the University of Chicago.
Chicago, Illinois
All of Chicago's wood-paved streets are long gone but two alleys remain.
Washington, D.C.
There just so happens to be a court even higher than the U.S Supreme Court: a basketball court in the building itself.
Washington, D.C.
A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.
Washington, D.C.
The Corinthian columns that towered over Abraham Lincoln’s inauguration stand proud.
Washington, D.C.
Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.
London, England
The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.