The Pennsylvania landscape depicted by a quarter mile of mosaics made from used road signs.

The little-known final resting place of one of America's greatest writers.

For decades, this waterfall remained hidden because of an artificial dam.

A living maritime paradox still floats in the same lake where it was built and resurrected... or was it?

A quirky collection of outsider art made from automobile parts.

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.

This collection started by a Cornell professor once held more than 600 human brain specimens, including the one that belonged to its founder.

The final resting place of the most famous sharpshooter.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

Why have you never heard of the second most popular tourist site in New York?

Strange physical sensations and optical contradictions keep visitors coming back for more.

Taxidermy and miniatures come together to create this unique museum.