The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.

The Hudson River School comes alive at this palatial estate.

The remains of a grand castle that may have inspired Bram Stoker's Dracula.

A pagan tradition of draping trees with rags eerily lives on.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."

Possibly the oldest of Britain's ancient henges is also one of its most stark.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

Enter the world under the hill at this ancient UK burial chamber.

This tin chapel was built by POW's during World War II and is painted to look like something much more grand.

Reclaimed by nature, the ruins of Doodletown, New York are remnants of a town consumed by a state park.

This abandoned cemetery is crumbling into ruin, exposing the artifacts and bodies buried there.

Mysterious rocks that ring musically when struck.

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.

This Scottish burial tomb once held hundreds of ancient eagle bones.

Burial grounds for more than 1,000 bodies deep under the modern town of Rabat.

Exact replica of the ancient monument, but much, much lighter.

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

This titanic java kettle is one of the many kitschy landmarks located along America's OTHER famous highway.

The largest ancient burial mound in Ohio.

The largest earthwork effigy in the world.

On the waterfront of Sydney, Nova Scotia, a 60-ft. fiddle greets incoming ships.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.