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

This church built atop a gas station promises to "equip you for the next stage in your life’s journey."

Parking garage where Bob Woodward met Watergate source "Deep Throat."

This environmental engineering marvel keeps salt water from the Elizabeth River.

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 author of Uncle Tom's Cabin was neighbors with Mark Twain while living in this Connecticut home.

Perhaps the oldest vine in North America, this sprawling plant helps make a sweet wine.

The lesser-known lost colony of Roanoke was a safe haven for formerly enslaved people during the Civil War.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

An 80-year-old house built out of newspapers.

Friction between grains of sand cause a curious "singing" sound.

Dedicated to nine marines from Massachusetts who perished during the Beirut bombings.

An easy-to-miss garden in Boston's North End honors the mother of JFK and others who lost children in WWII.

These mysterious ancient stone spheres were created by a civilization lost to time and are now mostly lawn ornaments.

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.

The Battle of Atlanta in 360 degrees, featuring a corpse that bears a striking resemblance to Clark Gable.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

This museum is dedicated to the history and design of purses.

A beautiful South Korean gate and garden in Little Rock honors American Taekwondo.

Yup, that's where the name came from.

The Old Mill shown in the opening credits of “Gone With the Wind” is actually fairly new, and was never a mill at all.

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.

Two gushing waterfalls of hot spring water within a block of each other.