This was one of the first (and last) university-built and operated nuclear reactors.

Detailed facade of a brownstone in Boerum Hill.

Named the fifth most beautiful building in America in 1885, this former courthouse boasts the best view in the Village.

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

Hordes of precariously balanced stone figures crowd the shores of the Hudson River.

An eerie diorama that captures the majestic nature of a few prehistoric-looking beasts.

This taxidermy scene brings the struggle for survival in the Indian jungle to a quiet corner of a Manhattan museum.

This poignant display is now a memorial to these regionally extinct species.

One of the most dazzling dioramas at the American Museum of Natural History is also one of the oldest.

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

This morbid scene depicts the Darwinian drama of death on the African savannah.

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

This Manhattan skyscraper is a reminder of the brief but glorious age of urban air taxis.

Here be dragons.

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

This old estate is a remnant of when the Bronx was a popular summer destination for wealthy New Yorkers.

Walking around West Harlem reveals a scavenger hunt of beautiful bird murals.

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

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

A small peaceful park and waterfall tucked amid the urban grind of Midtown Manhattan.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

A discreet little stairway on St. Nicholas Avenue leads to a quaint and unexpected cobblestone street of 19th century wooden rowhouses.

Everyone from Mark Twain to Teddy Roosevelt has a pipe hanging from the walls of this historic chophouse.

Avoid gangster interaction while window-shopping.