A concrete block embedded with thousands of pulled teeth was created by a local dentist to memorialize his dog.

A spherical "micro-nation" in the heart of Vienna.

Tucked behind New Jersey's abandoned Gingerbread Castle lie the eerie ruins of a once-flourishing paper mill.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Rippling sand dunes frozen in the Arizona rock.

Marie told fortunes from her small stand on the Boardwalk for decades, including to a young Bruce Springsteen who would busk outside her booth.

A simple plaque remembers an act of WWI terrorism that obliterated an island and forever scarred the Statue of Liberty.

WWI hospital ship lost in a cyclone turns up on the coast of Fraser Island, where she remains rusted and forgotten.

The world's oldest Jewish library was founded by Sephardic Jews in 17th century Amsterdam.

Neon signs that grace the windows of Bergdorf Goodman's and Tiffany & Co. come from this studio in Brooklyn.

For 150 years one family has been producing the iconic hot sauce on a bayou island made of salt.

One of the largest collections of wildlife art in the United States, built into the side of a cliff in rural Wyoming.

Gift shop offering toe tags and chalk body beach towels tucked into a coroner's office.

A hermit's tiny cell built into the cliffside that saved him in South Pembrokeshire.

The remains of the worst maritime disaster in the history of the "Graveyard of the Pacific."

This tiny museum's sizable collection is jammed into a former underground public toilet.

This quirky Korean eatery is built to resemble an equally quirky vintage camera.

A farm in New Jersey grew a most unusual crop for AT&T's testing purposes.

The Arctic Circle runs through this isolated spot north of Iceland.

Trace the history of writing at this unusual North Carolina destination.

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

This unusual building straddles two countries.

After covering almost 1.5 billion acres, the survey's still not finished.

Along the Palisades skyline are the ruins of a large mansion built in 1911 and demolished in the 1930s.