Narrow gorges and deep pools created by long-ago glaciers.

Designed by Horace Trumbauer in 1893, this Gothic-style castle is now a home for academics.

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

An Olympic hero stripped of his medals is buried in a town he never visited, which took his name after his death.

One of the U.S. Forest Service's only mansions is outfitted with a dinner table for floating food.

A field of nothing but boulders which resembles a giant's gravel driveway.

This park contains a number of standing stones meant to heal and inspire.

The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

Mysterious rocks that ring musically when struck.