Hidden within an idyllic suburban garden is a memorial dedicated to the victims of a terrifying spree of killings committed on U.S. soil.

A relic of FDR's brief foray into utopian urban planning.

A swimming hole in the historic industrial quarry that supplied the marble for the Baltimore Washington Monument.

Giant acorn-shaped 19th century gazebo from which suburban Washingtonians gazed upon the original "silver" spring.

Live data is transmitted from the Atlantic coast to instantly recreate the ocean waves in this fountain at the NOAA headquarters.

Two dozen pinball games hidden away inside a most unlikely location.

A girls' boarding school inspired by the Chicago World's Fair, once abandoned, now restored to strange and scenic glory.

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

A local farm's collection of unusual structures from a now defunct storybook amusement park.

Bizarre Cavern.

A museum dedicated to exhibiting remarkable outsider art.

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

This free, take-a-book shop seems like a trick but isn't.

This restaurant offers a side of antiques, curios, and a bathroom chock full of owls.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

A small Richmond island dotted with the remnants of hundreds of years of history.

This 29-ton granite ball spins around at the slightest touch thanks to a scientific phenomenon.

The rooster who crossed the road lives on forever in Takoma Park, Maryland.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

When the Austin Dam failed it destroyed much of Austin...and then it failed again.

This collection honors the iconic, and proudly American lighter that just won't quit.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

In the bowels of a 19th-century brewery lurks a fine-dining restaurant offering an array of themed feasts.