Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.

The Grand Ole Opry's big voice came from a small home in rural Virginia where she was eventually buried.

A natural spring situated on the grounds of the Hawthorne estate.

Extraordinary objects lurk in this quintessential regional museum.

Winding country roads in eastern West Virginia lead to an extraordinary place populated by fiberglass giants.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

The pan man stands as a testament to the functionality of American cast iron cookware.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

This maze-like slot canyon is a unique gem within an already fascinating geological area.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

A 300-yard long natural tunnel runs through a ridge deep in the Appalachian Mountains.

The 72-foot giant escaped confinement in a large patch of mulch only to be reburied in the sandy shores of the Potomac River.

Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.

Historic home of America's sweetheart sharpshooter, Annie Oakley.

An isolated island home to one of the oldest English-speaking communities in the region and Maryland's state dessert.

The stone marker that Mason and Dixon placed at the eastern end of the famous north-south border they surveyed.

Explore the legends surrounding these mythical sea creatures inside this museum.

This historic lighthouse was well known for the large number of women who served as its keeper.

Although built to generate electricity for Marylanders, this dam has become an all-you-can-eat buffet for American bald eagles.

This English-inspired Maryland garden is home to acres of opulent plant life including bushes shaped into an entire fox hunt.

Washed out by the Johnstown Flood in 1889, the surviving portion of the original two-span bridge now resides at Fishing Creek.

This Maryland farm is known for its amazing corn mazes and its 30-foot junkbots.

First built around 1848, this bridge was destroyed by arson, but original timbers are included in the replacement.