This historic Australian bridge was built by convicts with giant stone spikes to prevent cattle from falling off the sides.

A massive concentration of algae is responsible for this lake's pink hue.

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

One of Australia's famed "Big Things," this giant fruit was once stolen as part of a publicity stunt.

Ninety years of Sydney buses under one roof.

Venture into the hideout of one of Hong Kong's legendary pirates.

Remnants of the most densely packed city in world history, that thrived on anarchy for 30 years.

This hulking behemoth is actually five interconnected towers built in the 1960s.

One of Australia's largest secondhand bookstores.

Over two million dolls have been healed during this hospital's century in business.

A massive stairway that almost wasn't leads to one of Australia's most scenic vistas.

Woven tree art gives this towering Australian woodland a touch of mystical whimsy.

This gracefully curving formation looks like a massive wave that was suddenly turned to stone.

Australian Lake set aglow by Noctiluca Scintillans.

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

An abandoned railroad tunnel is now filled with bioluminescent bugs.

Occult books, tarot, oddities.

An Australian lake whose pink hue defies scientific explanation.

Popular tourist destination now stands as a memorial to Sam the koala.

Community bookshelf of 25-foot-tall book spines.

Massive still life just off the highway in Kansas.

This shrine to McDonalds' most iconic sandwich holds a 14-foot tall burger.

At five meters long, that is one big piece of foam poop.

This odd 1930s shop remains stranded in time and shrouded in mystery.