Lines from a walking song are etched into a rock in Natural Bridge State Park.

Erosion and various mineral deposits give this striking canyon its distinct color and soft appearance.

These massive concrete balls were used to mine gold in Virginia.

An improbable waterfall springs from an orange-white cliff face, tumbling into the headwaters of the Virgin River above Zion National Park.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

One of the most extensive and well-preserved collections of dinosaur footprints in North America.

A museum celebrating the Victorian obsession with hair art.

A little marble compass above George Washington's (empty) tomb in the Capitol marks where D.C.'s four quadrants intersect.

A life-sized baby elephant tombstone marks the grave of a circus owner at a country church in southern Georgia.

Burke’s oldest cemetery also houses the victim of the county's grisliest murder.

The notorious Wild West outlaw was raised in this unassuming abode.

Recorded as the first person buried in Arlington Cemetery.

One of the few surviving original NASCAR dirt-track speedways.

This too-low North Carolina railroad trestle is still a notorious big rig executioner.

The scene of the largest surrender of Confederate troops at the end of the American Civil War.

Don't be surprised if you see a long-necked dinosaur peeking out from among the trees in Northgate Park.

A late-night restaurant empire was launched from this humble storefront.

This twisty sign depicts the chain's first logo.

More than a century after her death, Little Gracie Watson remains one of Savannah's most often-visited residents.

Local myth claims this is a Sears catalogue home with its windows installed upside-down.

This haunting tombstone comes complete with a heartbreaking story of love and loss.

A stack of stones steeped in Irish folklore, much like the hero they're connected to, hide in plain sight.

Dental instruments from the illustrious history of American dentistry.

Every president in history is immortalized in bronze in downtown Rapid City.