Mount Nyiragongo has erupted at least 34 times since 1882 and is home to the world's largest lava lake.

Deadliest lake in the world suffocated over 1,746 people in one night.

Local legend has it that the first humans were created in the pools here, leaving their footprints behind in the rock.

A Hawaiian stairway to heaven—that you can't climb.

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

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

This blowhole is supposedly caused by a trapped monster.

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

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

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

This black shoreline is made up of exploded lava particles.

A tunnel of hardened lava along Maui’s famous Road to Hana.

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

Two flush headstones mark the only known graves to be embedded in an airport runway.

Bad farming practices caused this unnatural natural wonder.

Gutted airplanes slowly decay in a Florida field.

A self-explanatory attraction allows fans to respectfully remember and honor a comedy legend.

Would you like a sleeper hold with that?

An icon among Florida's pre-Disney tourist attractions, just west of Orlando.

The so-called "world's shortest river" is actually a window into a cave.

Intertwined, interspecies trees which locals believe can grant boons to lovers.

Where monkeys run wild and the humans are caged.

Island ghost town detailing Flagler's folly in building the Overseas Railroad.

An abandoned vacation home spent a decade taking on legends. It's now taking on water.