One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

Chelsea's soldiers were given strict orders when crossing this historic bridge.

The huge collection of paintings of the American West is one of Denver's best-kept secrets.

A measuring mishap led to these artificial stone ladies losing their stomachs.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

This museum offers an actual time machine back through Colorado's past.

This sidewalk tribute honors Colorado's great culinary creation.

This Chinese-style quartz sundial was saved in its final hour.

This was once the home of Gahan's Saloon, Denver's most storied speakeasy.

The moving metal works of one troubled artist can still be viewed on his front lawn... for now.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

This iconic science fiction house still looks like something from the future.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

The timeworn "Yankee Stadium" of the fastest game in the world isn't going anywhere.

This isolated airport in the middle of the Everglades sees more alligators than planes.

For 32 years the famous Ringling Bros circus troupe spent winters in this sunny spot in Florida.

This small museum gives visitors a chance to soak up the history of the "sponge capital of the world."

In a city crazy for seashells this museum educates and amazes visitors using the wonder of cast-off exoskeletons.

"We Seceded Where Others Failed."

One-time winter retreats of prolific inventor Thomas Edison and his friend Henry Ford.