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

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

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

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.

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

This black shoreline is made up of exploded lava particles.

This industrial area was the dumping ground for massive amounts of trash, some of which washes up as tiny bits of sea glass.

A burial ground for workers at one of Hawai'i's largest sugarcane producers that laid buried for decades.

This narrow coastline trail through the dense Kauai wilderness is among the most beautiful and dangerous in the world.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

The unusual patterns in this rock formation result from two distinct modes of weathering.

A tunnel with windows, so you don't miss out on the impressive views.

This quiet park's strange sedimentary spires were named after Kodak's color film.

Settled by the Church of Jesus Christ of Latter-day Saints in 1859, this abandoned frontier town has appeared in several films.

The highest bridge in America was built for an almost unnervingly small amount of money.

The fifth-longest natural arch in the world, and the longest outside China.

Few things look more out of place than the electric blue ponds in the reddish-brown desert of Utah.

This raised bulls-eye visible from space was the subject of an intense geologic controversy.

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

A house carved into a rock in the 1940s.

Nature's biggest mammal swims in landlocked Oklahoma.

The most beautiful Taco Bell in the world even has surfboard parking.

This short bridge is the only thing connecting a tiny Irish island to the mainland.