Where one of Greenpoint's "five black arts" was practiced.

Church featuring "high Victorian gothic" architecture.

One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

Built as a home for the Union Porcelain magnate in 1867, now the Greenpoint Reformed Church and home to a ceramic mystery.

Neoclassical bank designed by NY architects Helmle & Huberty.

The only surviving sidewalk clock in Brooklyn.

Historic Greenpoint theater turned roller disco, then chain pharmacy, and now Sweetgreen.

The last remaining 19th-century mile marker along the historic Ocean Parkway.

The remnants of what was once the largest film studio on the East Coast are hiding in plain sight.

This unusual subway stop was originally a real estate office.

This unique house, the only one of its kind in Brooklyn, was built as part of a real estate developer's showcase.

These century-old townhouses contain some of the first car garages built in the United States.

A Collegiate Gothic quadrangle that surrounds an 18th century secondary school whose financing came from the likes of Alexander Hamilton and Aaron Burr, among others.

This elaborate tunnel is the first structure composed of cast concrete in the United States.

A tree that grows parallel to the ground was declared Brooklyn's "crowning curio" by the poet who saved it.

The site of a fallen tree that protected Americans from British forces during the American Revolution.

You can still ride this 100-year-old work of art in Brooklyn's largest public park.

This secluded ruin was once a home for exotic plants.

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

This metal eagle one of the final remnants of a newspaper that wanted to keep Brooklyn to Brooklyn.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

Volunteer-run library dedicated to exploring five decades of activism history.

One of the deadliest American air disasters is nearly forgotten in Brooklyn.

Bored potato-guarding Nazis etched their thoughts onto a brick storage building in Copenhagen's Meatpacking District.