A partial tunnel blasted into a steep ridge is all that remains of a failed railway across Arizona.

Outstanding collection of 19th century medical instruments includes a life-size figure cast from as many as 200 cadavers.

The site of the one of the most deadly train wrecks in American history.

An ode to iconic Nashville locations.

This popular park is home to a sea serpent sculpture that now overshadows the twisted history of its creation.

For decades these polar bears have roamed all around a Nashville neighborhood.

An ancient cave system in Tennessee’s Appalachian foothills converted to a 1,200-person music venue.

When Motown musicians came to Nashville in the 1960s they stayed at this historic record-pressing company because hotels wouldn't host them.

In 1912, a broken section of the reservoir wall released millions of gallons of water and destroyed many homes downhill.

Dinosaurs invade a suburban Nashville neighborhood.

This quirky local sculpture is quite literally a fish out of water.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

Known by many as once the world's smartest horse.

Mass grave of 50 unidentified French Soldiers who died at the Siege of Yorktown, 1781, that gave victory to the American Revolution.

This roadside stand claims to be the world's smallest bookstore.

An out-of-the-way wildlife haven with a rich and storied past of harboring thousands of fugitive slaves, or "Maroons" during the mid 1800s.

Only a few signs remain of the buried Colorado mining town that supplied the uranium for the first atomic bomb.

In a small Japanese garden off a busy Denver street, a memorial to a brave, principled politician.