This large stone off the coast of Martinique had a brief career in the Royal Navy.

This sandstone gorge in New York State's Adirondack Mountains is home to waterfalls, flumes, and more.

This neon blue river gets its color from a unique mix of bacteria and volcano minerals.

A quirky bookstore hidden beneath a sea of whitewashed Greek villas.

Two thirds of this Montreal neon icon has survived to flash another day.

Down the road from where the Wright brothers lifted off is another flight tribute practically hidden from sight in the woods.

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.

The only known Futuro house in North Carolina sits along a stretch of desolate highway on the Outer Banks.  .

World War II bunker still standing on the New Jersey beach.

Look closely and you’ll notice that the color changes a third of the way up the tower.

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

Washington's iconic carousel has a nice piece of Civil Rights history.

The "lovely red Vega" of the legendary record-settling pilot.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

The walls of the iconic dome are hollow and have a secret stairway.

This elaborate towering structure was once famed for its revolutionary height.

Yo, Adrian!

World's first "penitentiary," meant to be humane, drove men insane.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Millions of numbers carved in glass represent the tattoos forced upon victims.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

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

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

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