A display of magnificent stained glass windows is the first exhibit of its kind.

A World War II-era submarine is stuck in the mud in New Jersey.

Beautiful stained glass depictions of the history of human flight fill this surprising chapel.

An effigy of a trapped paratrooper dangles from a Normandy church to commemorate one remarkable D-Day event.

This elaborate estate contains a stunning marble aviary, a sunken conservatory, and a magnificent music room with a two-story pipe organ.

Inside the unassuming cemetery chapel is a magnificent stained glass window and mosaics.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Rippling sand dunes frozen in the Arizona rock.

Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

This quiet park's strange sedimentary spires were named after Kodak's color film.

This whimsical castle of grottoes was the labor of love of a French postman, and one of the greatest achievements of outsider architecture.

This stunning natural double arch, the largest in the Alps, went undiscovered until 2005.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

A red sandstone freestanding monolith rises out of the sea in northern Scotland.

Europe's largest natural bridge has a 19th century royal chateau built into its side.

Dramatic sea stacks adorn the coast of this small village on the Adriatic coast.

This natural crater along the coast of Jersey may take its name from the devil statues who have watched over it.

A well-preserved medieval village nested on a rocky outcrop and surrounded by a network of cliffs, natural bridges and canyons.

This sandstone gorge in New York State's Adirondack Mountains is home to waterfalls, flumes, and more.

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

Natural stone arches form a walkable "cathedral" at low tide, then disappear entirely when the water returns.

The tallest sea cliffs on the Southern Hemisphere are a climber's worst nightmare.

A sparkling sandstone cliffside that's worth a visit while it still exists.