The forgotten and tragic story of the thousands of female convicts forcibly transported to Tasmania is told inside the ruins of this notorious 19th-century workhouse.

Rainforest filled with record-holding eucalyptus.

This Canadian island is a veritable garden of decay with countless abandoned structures dotting the landscape.

This ancient Chinese observatory still contains early astronomy technology.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

Nestled in the heart of San Francisco’s bustling Financial District stands a unique homage to the Mayan and Beaux Arts.

A high point in Vancouver kitsch.

Tiki luxury on Nob Hill.

A favorite haunt of dinosaur loving children and hallucinogen loving hippies alike.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

A psychedelic labyrinth on the San Francisco bay.

A bizarre house filled with an astounding array of collections.

The Incas turned this ancient Wari aqueduct into an imposing defensive gate.

A Christian monastery stands on what was once a holy Incan temple.

A fantastical and futuristic temple of light built from nine monumental glass veils.

A jungle in the heart of São Paulo reminds visitors of what Brazil looked like untouched by man.

Hidden in plain sight, this lush garden sits atop one of the most iconic buildings in São Paulo.

An unexpected desert oasis in South America.

An antique narrow gauge railway line still running through the Colorado and New Mexico mountains.

This spectacular track has run continuously since 1882.

This abandoned Victorian-style house was built in 1884.

One of the most well-preserved castles in Italy also contains a rare medieval example of a port fortification.

Installed as a beacon of hope for a hurricane-racked island, the statue had to be moved multiple times due to the eroding coast.