While not recognized by Guinness, this chocolate waterfall is likely to be the world's largest.

A suburban street in Anchorage doubles as a runway, and each home has its own airplane hangar.

Clean, cold drinking water flows from a nondescript pipe in a roadside rock face.

A quirky roadside sign was the subject of a years-long legal standoff over highway right-of-way clearances. 

This public art is inspired by a local Aboriginal creation story.

A pristine crater lake 12,000 years in the making, with waters like cut glass.

After much poking and prodding, this island is decidedly not a magnetic anomaly, but it sure is pretty.

A series of sculptures beneath the waves promote ocean conservation and support coral reefs.

The 25-million-year-old cavities have perplexed people for decades.

The longest manmade tunnel in Queensland is now a beautiful trail, home to a special colony of bent-wing bats.

The ruins of Brisbane’s own Alcatraz now sit in the middle of a national park.

A 19th-century perch for spotting sailing ships now boasts one of the most iconic views in the Southern Hemisphere.

A rare specimen of an iconic extinct animal in downtown Sydney.

A rehabilitation center for confiscated, orphaned, and abandoned chimpanzees.

The oldest of its kind in the country, this tree sits where formerly enslaved people are said to have founded the city of Freetown.

One of the oldest brick structures in Freetown.

The first European-style university in western Sub-Saharan Africa.

Empty since 1989, now falling into ruin.

A comprehensive museum dedicated to Africa's oldest modern republic.

The Voodoo Superstore of the world.

A monument to the more than one million enslaved Africans deported from the port of Ouidah.

Dozens of snakes are housed and worshipped within the walls of this Vodun temple.

Africa's Venice on stilts.

This abandoned plantation was once witness to an eclipse that proved Einstein's theory of relativity.