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

A quiet and contemplative oasis in the middle of New York's bustle and riot.

The mysterious image is believed to show Edward Hyde, 3rd Earl of Clarendon, in a beautiful blue dress.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

One of the last Jazz Age "Wonder Theaters" in New York City.

An annual extravaganza of Broadway theater memorabilia.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

Live long and prosper in Tennessee.

The oldest continuously operating farm in New York State.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

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

Sniff the Titan Arum's rotting flesh.

A beautiful collection of architectural ornaments rescued from demolished New York City buildings.

This city park was once a lookout point for George Washington’s army during the Battle of Brooklyn in 1776.

Ride the subways of yesteryear.

Installed in an act of one-upsmanship, the annual sundial in this church is also a symbolic victory for the Gregorian calendar.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

A quaint medieval millhouse hovers surprisingly above the waters of the Seine.

This stunning French estate was so lavish that it landed its original owner in jail for the rest of his life.

The unbelievably opulent home built for an infamous newspaperman.

A sewing machine tycoon built this miniature castle for the people and to beautify a lakeshore.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

"A hideous albatross in the Hudson River Valley."

Some of the earliest burial grounds of New York State are to be found hidden away in this quaint town.