A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

This former maximum-security prison is creepy, sobering, and supposedly haunted.

A roadside music shop featuring a confounding series of folk art installations.

A self-funded cemetery with a long list of inhabitants.

One of Sydney's oldest graveyards hides in plain sight behind a hospital.

A monument to the 4,114 Irish orphan girls who arrived in Australia between 1848 and 1850.

People can't get enough of these adorable Japanese photobooths.

A collaboration of art and ornithology mourns the calls of Sydney's lost birds.

Though considered an eyesore by some, this boxy Brutalist high-rise plays a significant role in Sydney's past.

An ancient engraving by the Cammeraygal people was uncovered in the transformation of a North Sydney industrial site.

The bones of this aquatic dinosaur turned to opal over the centuries and the beast's remains were almost sold as jewelry.

Outdoor art exhibition made of classic Tetris pieces.

This rare effigy of the author spent years lost in storage.

Ninety years of Sydney buses under one roof.

The statue honors an adventurous seafaring cat.

A boardwalk winds through this sliver of coastal nature hidden within Sydney.

A special train service transported Sydney's dead from this station to "Necropolis Receiving Houses" at Rookwood Cemetery.

Cockatoo Island is a Heritage-listed island in the middle of Sydney Harbour.

This grim museum collects artifacts and evidence of some of the most sensational antipodean crimes.

This secret Australian garden was built on love after a man planted a random bulb he found in the ocean.

Come for the flowers, stay for the bats!

Australian museum dedicated to human health and lack thereof.

Built over an abandoned train yard, this hidden gem is full of winding paths and offers gorgeous views of Sydney Harbour.

The Denny Substation has been called "the coolest substation in the world" and sits in a densely populated Seattle neighborhood.