What happened to the three lighthouse keepers who vanished from this place remains a mystery over a century later.

Cliffs that hold fossils, including the earliest known reptile, dating back more than 300 million years.

A beautiful waterfall and beach where precious stones are plentiful.

Hunt for buried treasure in Nova Scotia.

Earth's greatest purely vertical drop at 4,101 feet.

A long-disputed island that Denmark and Canada claim by periodically alternating flags and bottles of liquor.

The third-largest island in Canada is one of the remotest places on Earth.

A strenuous, unofficial trail leads to spectacular views in one of America's most remote national monuments.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

The lost ruins of the forgotten ferry lie hidden beneath the silt.

Nearly 300,000 acres of wildlife, natural splendor, and a hidden ghost town have been designated a national monument.

Preserving the remains of Native American cultures which otherwise would have been submerged behind Hoover Dam.

This massive geographical sculpture is so subtle, it's possible to pass by it without noticing.

The drama of nature in full effect in this Nevada State Park.

A hidden slot canyon in the southern Nevada desert makes an unexpected oasis and scenic hike.

Water of undetermined depth has attracted rare fish and cult leaders alike.

This once bustling boomtown hotel is now the hottest spot in Nevada for ghost hunters.

Oh, just a motel on the edge of the desert decorated with thousands of clowns conveniently located next to an abandoned graveyard.

This central Nevada cave is the spiritual home of ancient and enigmatic pictographs.

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

This little-used trail winds through the highest mountain range in central Nevada with sections around 10,000 feet.

US-50 in Nevada is known as "the Loneliest Road in America," but this earlier iteration of the route is even lonelier.

Singing sand that stands as the final remains of an ancient lake.

This cave was hidden for thousands of years, storing the worldly goods of ancient Native Americans.