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

This nearly endless university hallway is home to a unique sunset known as "MIThenge."

This railroad tunnel was once the longest in Massachusetts.

A spooky and decrepit mental health facility is slowly being replaced with newer digs.

This miniature feudal castle was built on a whim to honor a US Navy pioneer.

This little-known rival to the Library of Congress houses one of the largest collections of pre-1876 American books, newspapers, and manuscripts.

One of the most scenic falls in Massachusetts has a history of death and grim legend.

The site of the first "historically true" UFO encounter in the U.S.

Site of the graveyard vine believed to be a curse on a family from the 1800s.

The house where Rudyard Kipling wrote the Jungle Book is also the location of the first tennis court in Vermont.

One of the first amphibian migration tunnels in the United States encourages a tradition that has inspired Amherst residents for decades.

These conical kilns measure an impressive 30 feet in diameter, and were once used to produce charcoal for a local blast furnace.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

This historic furnace was once used to produce cannonballs during the Civil War.

These disused steel furnaces are now haunting ruins that may one day be a national park.

One man's real life disfigurement inspired a lasting local legend surrounding an eerie tunnel.

A monument to the “unrecognized dead” of the tragic 1876 train crash.

A living maritime paradox still floats in the same lake where it was built and resurrected... or was it?

This museum pays tribute to the largest group in the Iroquois Confederacy.

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

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

A retired firefighter created this contraption so he and his family wouldn't die if accidentally buried alive.

Over 100 concrete munitions bunkers are all that remain of a Pennsylvanian village seized by the US government.