This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

The world's largest rotating world.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

A dilapidated dock tells the story of Titanic's missed arrival.

A historic presidential getaway on the continental United States' southernmost island.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

There must be a pun in this haystack somewhere...

Set sail on a small scale.

An artist's cute bronze subway sculptures belie his violent artistic past.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

A monument celebrating the idea of reaching inaccessible places.

A graffiti Mecca welcoming artists from around the world.

Send a postcard while vacationing with Satan.

On the Hudson resides one of the largest clocks in the world.

Only hotel where you can legally launder money.

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

Former villa and estate of James Deering developed to preserve native tropical forests.

Oldest synagogue in the United States.

The site of Paul Revere's historic two lantern warning.

Haunting and beautiful trees, doomed to die.

A drawbridge named for a potentially intersex Polish national who fought alongside George Washington during the American Revolution, and an example of "Pulaski Red".

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.