A steampunk wonderland that preserves America's history of industrial innovation.

This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

Sniff the Titan Arum's rotting flesh.

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

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

Once called Winthrop Park in 1889, home to a decidedly sexy tribute to the Monitor vs. Merrimac battle.

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

Elevated freight railway turned wildly successful urban park.

The return of something once considered a basic part of life.

A decommissioned military complex that's now a modern industrial park.

Lie in a hammock where George Washington stood.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

Walk into the 19th century without leaving Brooklyn.

Love, knishes, and best wishes from this legendary Lower East Side bakery.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

Golden Gate Park's historic collection of plants.

This private residence was the template for one of the most beloved television homes of all time.

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

This giant temperature attraction created some giant electric bills.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

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