A journey through the history of medicine throughout the centuries.

The world's first indigenous rooftop farm boasts 2,000 plants from more than 35 different native Australian species.

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.

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

Come for the flowers, stay for the bats!

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

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

One of Australia's largest secondhand bookstores.

A self-built castle made by a mysterious man.

This small, unassuming street is now a canvas for color and creativity.

A former department store turned into a quirky restaurant.

A popular swimming hole that hides one of America's most deadly diving spots.

Some islands... they come, they go, especially on Lake Travis.

A small island hides in plain sight on Austin's Lady Bird Lake.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

Rippling sand dunes frozen in the Arizona rock.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

This 20th-century mansion plays a key role in one of Puerto Rico's greatest novels.

These red and black houses were awarded to the firefighters who saved their city from an enormous blaze.

This niche museum devoted to ancient religious artifacts is shaped like the very thing it displays.

This chapel on a cliff is renowned for its healing powers and was founded on the site of a supposed divine intervention.

The bat-covered home of one of the world's most popular brands of rum is located on a tropical Art Deco campus.