mercretas's User Profile - Atlas Obscura
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Boonsboro, Maryland

Crystal Grottoes Caverns

Bizarre Cavern.
Newark, California

Salt Ponds of San Francisco Bay

From the sky, a kaleidoscope of color brightens the grey landscape of the San Francisco Bay.
Green Valley, Arizona

I-19, America's Only Metric Interstate

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.
Tularosa, New Mexico

White Sands National Monument

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.
Kane, Utah

Grand Staircase-Escalante National Monument

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.
Rome, Italy

Torre Argentina (Roman Cat Sanctuary)

Hundreds of lucky felines haunt the ruins where Caesar was murdered.
Laredo, Texas

World Trade Bridge

The biggest drug trafficking passage between Mexico and the U.S.
Jackson, New Hampshire

Mount Washington

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world", it sure seems that way to hikers.
Adams, Massachusetts

Mount Greylock

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.
Washington, D.C.

Basilica of the National Shrine of the Immaculate Conception

Largest Roman Catholic church in North America.
Washington, D.C.

International Spy Museum

“They say you're judged by the strength of your enemies”—James Bond, Quantum of Solace.
Washington, D.C.

Darth Vader Grotesque at the Washington National Cathedral

The sci-fi villain is a little known inhabitant of the Washington National Cathedral.
Arlington, Virginia

Rosslyn Metro Escalator

At 207 feet, one of the world's longest continuous escalators.
Washington, D.C.

The Exorcist Stairs

Site of the climactic scene from The Exorcist.
Washington, D.C.

Martha, the Last Passenger Pigeon

The last known passenger pigeon, Martha's remains serve as a tool to educate about conservation.
Washington, D.C.

The Brewmaster's Castle

This grand gothic brewery has been pumping out suds for over a hundred years.
Keene Valley, New York

Mount Marcy

The summit Roosevelt conquered before he descended to become The Chief.
Boston, Massachusetts

Boston's Old Burying Grounds

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.
Boston, Massachusetts

Old North Church

The site of Paul Revere's historic two lantern warning.
Boston, Massachusetts

Faneuil Hall

A former waterfront market is now in the center of town due to some interesting Boston engineering.
Boston, Massachusetts

Boston Tea Kettle

This massive tea kettle was once a promotional stunt for the Oriental Teashop.
Boston, Massachusetts

Mapparium

An enormous, inside-out glass globe built in 1935.
Boston, Massachusetts

Isabella Stewart Gardner Museum (The Gardner)

Two thousand artifacts from around the world collected by one woman with an addiction.
Cambridge, Massachusetts

Harvard Bridge

This simple foot bridge was the birthplace of a unit of measurement based on a fraternity joke.