This electric green sulphur lake in New Zealand looks like a cartoonish radioactive dump site.

Community bookshelf of 25-foot-tall book spines.

The oldest steel ship in Iceland has been beached for years and is now a rusting ruin.

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

15 monolithic temples emulate an eroding sand castle.

A palatial sculpture park was built illegally and in secret by a self-taught artist over 36 years.

The abandoned site of the Beatles spiritual awakening and subsequent revolt.

This abandoned fort is said to be the most haunted place in India, so much so that entry is prohibited after sunset.

The world's second-largest sundial, made entirely out of stone.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

Brightly painted boulders scattered throughout the Sinai Desert.

A massive work of modern art that appears to be a crop circle in the middle of the desert.

Live out your childhood construction fantasies in this one-of-a-kind gyrating hotel.

Beautiful public park off the beaten path and away from tourists.

An abandoned Santa park is as far as this proposed theme park kingdom got toward completion.

This spacecraft-shaped water tower is only a part of the mysterious UFO mania in this Brazilian town.

The eccentric home of Estevão Silva da Conceição, known as the "Brazilian Gaudí."

Many cities have held the title, but Brazil snatched the crown from Chile in 2011.

Something about this Brazilian city is slightly askew... literally.

The ruins of this Brazilian island prison still bear the scars of the bloody rebellion that closed it down.

An abandoned stretch of elevated road in the middle of the Brazilian jungle.

Climb right into the heart of this colorful Iceland volcano.

This small town bank is very aware of its name thank you very much.

The world's largest man-made underground caverns offer unparalleled underwater wonders.