A museum dedicated to the mysterious cryptid.

Towering basalt columns, a creation of fire and ice.

These constructed wetlands naturally filter millions of gallons of treated wastewater every day.

Wading through a small lagoon reveals a secret, wild stretch of pristine beach.

A hidden beach at the end of a tunnel of mangrove trees.

One of the few institutions in the United States devoted to the art of decorative bird carving.

The “Grand Canyon of Maine” is a three-mile gorge full of striking geological features.

This former fire tower is now a rustic observatory that offers amazing views of eagles, hawks, and the Appalachian Mountains.

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

Endless rows of boxes of paper records line the hallways of the archaic federal facility where guns are traced.

This abandoned train tunnel has been the subject of countless ghost stories for years.

This Pennsylvania cave holds evidence of the oldest known inhabitants of North America.

This permanent exhibition celebrates the finest of our heartless automatons both real and fictional.

A hidden piece of Altoona's railroad history in a long-forgotten abandoned town.

The last remnants of Fort Pitt also hold the distinction of being the oldest structure west of the Allegheny Mountains.

An imposing pair of sphinxes stand guard outside this Egyptian Revival tomb.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

Hundreds of protractors affixed to surfaces all over the city.

This Old Testament garden features 100 plants from biblical times.

A quiet, gothic haven nestled between Pittsburgh's Squirrel Hill and Point Breeze neighborhoods.

A legendary speakeasy bookstore returns from the brink.

Tucked in the back of this amazing antique store is an important piece of medical history.

The best place in New York to pick up the controversial, notoriously foul-smelling Asian "king of fruits."

An enormous park-like oasis, full of famous Chicagoans' graves.