The haunting beauty of this little-visited wreck makes it a true hidden treasure.

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

An abandoned water park overtaken by the dunes.

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

Haven for Cape Fur Seals, until the Ring of Death of jumping Great White Sharks arrives.

This geothermal hot spring hides beneath a slowly growing mineral dome.

The oldest (maybe) swimming pool in Iceland is a stunning oasis built into the side of a lush hill.

The world is full of swimming holes, but few compare to Samoa’s idyllic To Sua ocean trench.

The "Mother Temple of the Pacific Islands" stands at the center of 20 acres of lush, tropical prayer gardens.

Mirrors and glass shards cover every inch of this arrestingly beautiful mosque.

A spectacular rainbow of stained glass makes the "Pink Mosque" one of the most beautiful in Iran.

The inky volcanic sand leads to reefs teeming with aquatic life waiting to be discovered by snorkelers and divers.

One of the largest bamboo bridges in Asia, located right next to a bamboo school.

Bali's remote "gateway to heaven" is one of the most sacred places on the island.

This tiny lake temple dedicated to a water goddess seems to float on the surface.

Isolated atop this Balinese sea crag is a lovely Hindu temple that is said to be guarded by sea snakes.

A haunting theme park is slowly being swallowed by the jungle.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

A beautiful 62-acre Catholic shrine and botanical garden.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

Northern Ireland's Brobdingnagian stepping stones.

The first declared National Monument in the United States.

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.

Towering basalt columns, a creation of fire and ice.