This outpost of America's most popular fast-food restaurant is housed inside a palatial mansion.

An artist's mausoleum with a haunting echo.

Nordic giants resurrected from the sea and restored to their former greatness.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

Currently housing a corporate bank branch this building at the southern tip of Manhattan was once the gateway to luxury vacationing.

In its day this historic fort held 100 cannons pointed in almost every direction to protect New York.

Lie in a hammock where George Washington stood.

The pioneering photographer's prints are immortalized inside her childhood home.

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

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

A wooden rollercoaster that still delivers a thrill.

New York's southernmost subway station is whimsically wavy.

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

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

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

This 19th-century clock has been restored to help withstand the harsh environment of its seaside home.

This Queens hospital has stood abandoned for almost 20 years after its patients were secretly relocated in the dead of night.

The site of a tragic massacre that spawned a multimedia franchise.

A former poultry store that looks like a giant duck and is one of the "seven wonders" of Long Island.

A fire station-turned-church-turned-museum dedicated to the work of seminal light artist Dan Flavin.

A mysterious air force base built to resemble a Long Island fishing village.

Time travel back to the 19th century and catch an old-timey baseball game at a 209-acre recreated village.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

Copenhagen's celebrated theme park and gardens.