A tiny piece of the Moon is embedded in this stained glass masterpiece.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

The end of the 4 Line is also the end of the line for 300,000 souls in one of NYC's most illustrious cemeteries.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Rustic natural hot springs in the deciduous rain forest.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

New York City's smallest piece of private property.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Every equinox this Maya pyramid puts on a spooky ancient light show.

Ruins of a Carnegie family mansion on Cumberland Island.

New York's oldest magic store.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

A piece of outsider public art accompanied by a strange urban legend.

A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

A museum dedicated to exhibiting remarkable outsider art.

A marvel of Byzantine engineering under the streets of Istanbul.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

Museum preserving torture methods from the past.