This legendary urban waterfall creates a dazzling display of rainbows.

The southernmost point in the United States is a beautiful place to look at but a deadly place to wade in.

A beach made of semi-precious green sand on the Big Island of Hawai'i.

A model of a galactic embassy is hidden in plain sight along the highway, proposed by a UFO religion to find the aliens that created life on Earth.

Formerly a lovely white sand beach this Hawaiian stretch is now a trap for countless tons of trash.

A true treehouse near Hawai'i Volcanoes National Park.

This black shoreline is made up of exploded lava particles.

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.

A controversial memorial at the place where Captain Cook met his violent end.

Try your hand at old-fashioned coffee growing at this museum devoted to one of the world's most coveted beans.

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

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

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

The spot where the namesake of the Douglas fir met his mysterious end on a Hawaiian volcano.

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

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

America's smallest "national forest" has only 33 trees.

The easternmost town in Alaska can only be accessed from Canada.

One of two side-by-side totem pole parks dedicated to educating visitors on Tlingit history and culture.

This historic collection of Native Alaskan artifacts was resurrected through a partnership between the WPA and tribal artisans.

Low tide reveals 8,000-year-old rock carvings in Southern Alaska.

A 30-mile-long glacially-carved canyon leads to a massive pair of glaciers.

The first Russian Orthodox church in North America and an Alaskan landmark.