The final resting place of a space program monolith, soon to be unveiled again to the public.

Where royalty waits in the height of luxury.

A solid steel plane designed to catch fire over and over again.

This old KLM airplane cut into three parts was transformed into an eclectic airport gift shop.

Look up from the busy streets to discover how time is kept!

It appears as if a man is standing behind this giant airport clock, painting the hands in real time.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

The largest airborne operation in history was launched to capture this bridge.

Organisms normally seen under a microscope decorate this church.

New York's oldest and possibly grandest keeper of books.

Though its celestial ceiling is impressive, the true star is the vast collection of French books.

This impressive scene portrays the elusive forest giraffe of Central Africa.

Creating this diorama spurred naturalist Carl Akeley to begin advocating to protect the apes.

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

Once the site of seances, this restaurant is said to be haunted by several ghosts.

A tribute to the hard-working men and women of Grumman, who crafted F-14 fighter jets.

A retrofuturistic art installation in the Pittsburgh Airport.

This Pennsylvania cave holds evidence of the oldest known inhabitants of North America.

A preserved 18th century homestead in Western Pennsylvania marks the spot where the Whiskey Rebellion began.

Color-coded signs direct drivers on a network of routes designed to avoid Pittsburgh traffic.

Sections of the iconic limestone columns have been left uncleaned as a reminder of the city's polluted past.