The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

This enormous banquet-themed artwork honors over 1,000 notable women throughout history.

Cheap pizza and all of your naughty bedroom needs housed in a stunning example of Art Nouveau architecture.

Imagine having a street run right through your home, or better yet, a historic bridge three stories high.

A way to take your secrets to someone else's grave.

A modern zoetrope on the New York City subway.

A good place to research the Freemasons, esoterica, occultism, and hermeticism.

A curious friendship between two inanimate ladies.

Historical figures from New York City's Catholic community reside in Midtown.

This neighborhood grocery houses a treasure trove of Eastern European delights.

This wall on a street corner in Lower Manhattan has been a blank canvas for a rotation of renowned artists since the 1980s.

The oldest surviving synagogue in New York City is now a soaring art space.

Snack on a partially gestated duck egg.

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

The unusual burial monument of Arizona's first governor.

Reforestation in action is the main attraction in this abandoned quarry.

The ruins of a church destroyed by both the Great Fire of London and the Blitz, now turned into a peaceful garden.

An eccentric Victorian aristocrat's enormous collection of medieval armor and weapons from around the world.

This modern pedestrian bridge on the Yarra River was modeled after an Aboriginal fish trap.

From the late 19th century until the 1960s, these stone-lined "stumps" were a popular place for people to air their views on local and international issues.

A total of 22 tiny bridges cross this canal of the Yvette River, forming a unique trail.

This Melbourne bank has unique Gothic-style architectural features and is one of the most majestic operating bank branches in the world.

A 315-foot spire jutting out from the Blue Ridge Mountains makes for breathtaking views.