How did the right arm of a 13th-century English bishop wind up in a Connecticut church?

Ruins of a historic medical facility sits eerily by the water.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

The kind of mixed-up place that drives archaeologists crazy.

This 12th century, partially destroyed, abbey has had several owners and was seized during the French Revolution.

On this romantic tidal island reachable only at low tide the tomb of a famous French writer overlooks the sea.

Folklore and history carved into Brittany's coast.

Journey through the ruins of this ancient Roman temple dedicated to the god of war.

Believe It or Not, Ripley once called this chiseled mountainside “New York’s Mount Rushmore”.

One man's swirling six-acre monument of stone.

Dozens of houses in the Adirondack Mountains are reminders of a literal "cottage industry" to cure people of a deadly disease.

A once grand hotel is being retaken by the wilderness it once capitalized on.

The Hudson River School comes alive at this palatial estate.

Hundreds of prehistoric stones, arranged in perfect lines in a French field.

This prehistoric figurine is the oldest known realistic depiction of a human face.

A granite rock formation littered with various species of moss, lichen, and fern.

Old vessels have been transformed into artistic canvases in this unusual cemetery.

One of the most powerful religious centers in the Middle Ages, dubbed the founder of Western monasticism.

A sublime medieval path adorns the marble floor of one of the most beautiful Gothic cathedrals in France.

This Parisian gem is one of the most incredible ethnographic museums in the world.

Hundreds of dwarf beeches create an unusual, haunting forest in the north of France.

An isolated 17th-century chapel on a remarkable site once dedicated to Celtic sun worship.

One of the oldest masonic museums in Paris.

The floorboard scrawling of a tragic madman is on public display outside a Paris hospital, much to the dismay of its opponents.