The labyrinthine storm tunnels beneath the city of Melbourne are ruled by a band of urban explorers.

Visitors can swim with vicious predators in Crocosaurus Cove's plastic daredevil enclosure.

This historic Melbourne bullet factory is fully encased in a massive glass and steel cone.

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

For better or worse, this whimsical sculpture garden was a favorite place of Rupert Murdoch's.

This abandoned railroad tunnel is now home to a micro-colony of bats and a ghost train.

An unphotographable nightly march of tens of thousands of "fairy penguins" from sea to shore.

Thousands of lawn gnomes have infested this Australian roundabout.

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

The smallest country in Australia is a principled little thing with a friendly emperor.

America's first public mental health facility.

Where the line between entertainment and aerospace blurs.

One of the world's largest telescopes, stares into the night sky with two huge mirrors.

An acoustic anomaly with a mysterious cause.

A museum of unusual collections, mini-towns, and a half-dog, half-alligator.

This ancient sinkhole-turned-healing-pool is a treasure trove of archeological discoveries and may even be the Fountain of Youth.

See the lake and replica where a daredevil broke both world land and water speed records in the same year.

This ambitious father and son team reigned supreme over the North End, and witches, for many years.

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

The Mysterious Witch Bonney, a haunted statue in an old industrial city.

Around 100 sculptures from artists all over the world decorate the hiking trails surrounding this locale.

Stroll the grounds built by murder, suicide, and dirty oil money at one of Hollywood's most filmed mansions.

A seasonal movie monster museum featuring wax creations by a relative of one of the original Universal Studios monsters.

A collection of haunted artifacts chronicles the career of the world's most famous paranormal investigators.