These ancient sacred grounds granted amnesty to those who managed to reach them.

A priest with no formal artistic training used basic house paint to create gorgeous religious scenes inside this historic church.

This unusual lava tube spouts seawater during high surf.

This black shoreline is made up of exploded lava particles.

This Hawaiian cattle ranch acts as a museum devoted to the island cowboys that predate the wild west.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

More than 2,000 species of tropical plants call this nature preserve and sanctuary home.

This legendary urban waterfall creates a dazzling display of rainbows.

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

Watch the newest land on the planet form before your eyes.

A true treehouse near Hawai'i Volcanoes National Park.

In 2018, Pohoiki Road was severed by lava flowing from the eruption of Kilauea.

A massive forgotten storehouse from 1913 on the Brooklyn Waterfront has a spectacular view of Brooklyn.

Discover the taste of mold.

This speakeasy continues the Prohibition-era legacy of Harlem's jazzy Swing Street.

Two New York rooftops are home to the largest rooftop soil farms in the world.

Have a steam and some blini at this cafe in a century-old bathhouse.

A Jewish deli run by Yemeni Muslims in an Afro-Caribbean neighborhood is quintessential Brooklyn.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

Once America's longest-manned military fort, now an abandoned hulk.

New York's oldest and possibly grandest keeper of books.

A charming "tea atelier" hidden away in Greenpoint, Brooklyn.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

From scholastic to sepulchral - now under reconstruction.