This inexpensive lodging house was once a prison notorious for its inhumane practices.

Louise Bourgeois' 30-foot-tall steel spider sculpture.

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

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

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

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

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

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

This black shoreline is made up of exploded lava particles.

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

Thailand's distressed elephants find peace at this Chiang Mai sanctuary.

Khmer Rouge's high security prison.

A gruesome memorial for those lost in this area during the Khmer Rouge genocide.

5,000 skulls in memorial to those killed by the Khmer Rouge.

A boat ride through utter darkness, lit only by headlamps, reveals an emerald green pool locals believe is sacred.

This tiered waterfall is so pretty it may cause visitors to cry tears of their own.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

No two pieces are exactly the same at Portland's hippo-themed hardware store.

Not-so-fearsome tiny trolls live under this wooden train trestle in Portland.

From Nunavut to Tierra del Fuego, you won't find any lighthouse higher than this one.

A wall of chewing gum moonlights as collective art.

A tree seems to grow from the ocean floor on this strange strip of sand slowly being overtaken by the sea.

A battle between nature and architecture in the Cambodian jungle.

Many Hindus make the long pilgrimage to this holy city to have their remains burned on the banks of the Ganges River.