A haunting exhibit in a wildlife refuge center highlights threatened species and the conservation efforts needed to save them.

There’s a hidden military meme engraved on the World War II Memorial.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.

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

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

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

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

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

Once America’s most beautiful army base, this abandoned military fort on the coast of Monterey Bay has been left to the elements.

It should come as no surprise that the world's largest artichoke lies in the town that calls itself the "Artichoke Center of the World."

This architectural triumph is the only Frank Lloyd Wright house in Alabama.

What else would you call a playground hidden in Alabama's oldest and largest cemetery?

This replica of the Greek structure is in the heart of Nashville.

Mysterious 500-year-old tapestries depict a unicorn hunt.

Labor provided by Great Depression-era programs restored these 25,000 acres in Tennessee.

An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

There just so happens to be a court even higher than the U.S Supreme Court: a basketball court in the building itself.

A priceless collection of the Nation's cryptologic history.

Less a museum than a bizarre fantasy world created by artists and engineers.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

This soda factory is one of the last in America to use real cane sugar despite the protestations of Dr Pepper.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.