How a bat poo mine became a major Native American archaeological site—and connections to legendary red-haired giants.

Odd outsider art installations surround a Gold Rush-era ghost town.

This magnificent, quirky home sits atop a literal gold mine in the middle of the Nevada desert.

The oldest operational cathedral in the U.S. has one shell of a way of projecting speakers' voices.

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

In 1857, the Mardi Gras parade tradition began at this intersection.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

Currently housing a corporate bank branch this building at the southern tip of Manhattan was once the gateway to luxury vacationing.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

The fading, forgotten remains of a once bright and booming factory.

100-year-old shipwreck you can walk up to at low tide.

Native American burial mounds? Giant gopher dens? No one knows what created the Mima Mounds.

Despite a legend that says this highest peak in Oregon was climbed in high heels scores of people have died on its slopes.

An extraordinary mixture of natural beauty and man-made phenomena.

This extravagant Art Nouveau rest stop features a million-dollar view of the Columbia River.

This unique art installation used boiler tubes from a decommissioned power plant to resemble Antelope Canyon.

An artificial crater field that trained astronauts for lunar exploration.

This historic national park is covered in the stunning ruins of red rock pueblos.

A mysterious spirit totem at the edge of Navajo lands.

A memorial to the firefighters who died in an industrial disaster is housed in a small public park.