After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

This historic Ohio bridge is adorned with fanciful locks left behind by loving couples.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

A bizarre roadside attraction and the first instance of miniature golf in the world.

This former water source for the City of Brooklyn is now a thriving natural wetland.

This outdoor gallery of sculptures along the East River was once a landfill.

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

This Queens beer hall preserves a German culture and language that is all but lost.

A former seaside jewel built for the everyman is now simply a neglected art deco fortress.

A New York warehouse filled with an enormous amount of goods saved from the landfills and donated for creative use.

A self-made museum in Queens, New York continues to display the work of a sculptor known for paving his own way.

This abandoned seaside fortress is now simply an imposing ruin being taken back by nature.

Two New York rooftops are home to the largest rooftop soil farms in the world.

The crown jewel of the Queens Museum is a nearly 10,000-square-foot architectural model of the city originally built for the 1964 World's Fair.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

A riverfront park that both remediated and preserved its industrial past.

Seriously good slices of Sicilian pizza lurk at the back of the Bronx's oldest enclosed market.

Every year model trains zip through a miniature New York City that's now 150 landmarks strong.

The first and only carousel with a lineup entirely of insects.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

An illegally built ramshackle mansion tucked in the middle of Brooklyn is now being turned into condominiums.

Haven for steampunks.

A 120-year oil leak slowly unleashes more gallons of oil than the Exxon/Mobil disaster.

The highest rapid transit station in the world.