A stray meteor left this picturesque hole in the Australian outback.

Once housing children next to hardened criminals this historic jail once displayed Ned Kelly's skull until it was stolen.

Come for the flowers, stay for the bats!

Nature is leading a successful mutiny on this century-old freighter.

Sloth rehabilitation center in the jungle of Costa Rica.

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

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

An explosion of natural color known as "the river that ran away from paradise."

The largest library in Latin America owes its existence to an Old World earthquake and a Napoleonic invasion.

Try not to get lost in this picturesque Brazilian labyrinth of the dead.

This large round boulder is said to emit spiritual power, but it may just be magnets.

The largest stone moai on Rapa Nui.

The world's longest known cave system.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

Ancient paintings known as the "Sistine Chapel of Cave Art."

This historic observatory was established to keep shipwrecks from littering the Cape of Good Hope.

Formerly known as the Malay Quarter, Bo Kaap is a colorfully-painted suburb located in the “Mother City” of South Africa.

This African beach is home to thousands of rare mainland penguins that are known for their annoying voice.

This legendary city has been a tourist attraction for centuries.

This famous city eluded concrete detection until the early 2000's.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

A marvel of Byzantine engineering under the streets of Istanbul.

Taumatawhakatangihangakoauauo tamateaturipukakapikimaungahoronuku pokaiwhenuakitanatahu.

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.