Long-forgotten artifacts give incredible insight into New York's most glamorous hotel.

A historic 1890s architectural masterpiece with an iconic clock tower that, once open to the public, now faces an uncertain future.

Cryptic messages embedded in the New York City sidewalk.

Plot your trip through the city on the sidewalk.

A very classy 1920s-era bar right in Grand Central Station.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

New York's oldest magic store.

More than 100 colorful residents stand post in this seaside Australian city.

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

Every hour a secret compartment drops from this giant pocket watch, revealing a lovely surprise.

This 19th-century convent is now a flourishing 21st-century hub for art.

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

This strange portrayal of the state's first lieutenant-governor literally stands on its head.

This trio of Australian rock spires may have inspired aboriginal legend or just modern tourism.

This extraordinary geological oddity resembles human-made pavement.

Aqua white sand highlighted with fiery red rocks.

Hopefully inspecting his tin pan for little nuggets of gold.

This giant dish located in a sheep paddock was the primary receiver of Apollo 11 TV transmissions.

Three-story concrete ram with a permanent gift shop.

Australia's first open air museum and antique 3D theater.

Nine limestone rock stacks on Australia's "Shipwreck Coast."

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

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

A youth-centric science center hides an industrial triumph.