The notorious "Hanoi Hilton" where Vietnamese colonial subjects and later American POWs, including John McCain, were imprisoned.

Meant to be a lavish presidential home, the palace became a symbol of the fall of South Vietnam.

This French colonial post office is arguably the grandest in all of Southeast Asia.

Artifacts and memories from the Vietnam war, located in a place that experienced it first hand.

This psychedelic tourist trap is a leisurely descent into madness.

World's most expensive home.

One of the biggest markets in Asia, under one of the continent's largest domes.

This strange bovine gargoyle is said to have been put in as a passive aggressive form of revenge.

Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

A grand New York post office that is home to mailman Santas, scraps of postal history, and a pneumatic mail system.

For almost a century, this East Village newsstand has served egg creams to beats, hippies, punks, and everything in between.

A graffiti Mecca welcoming artists from around the world.

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

Abandoned 19th century homes once occupied by naval officers, soon to be demolished.

The factory for the popular Dumbo location, the Greenpoint shop is a quiet gem.

The only remaining Jewish congregation in Greenpoint.

Neoclassical bank designed by NY architects Helmle & Huberty.

Once a flowing stream and where the USS Monitor, the world's first ironclad, was built and launched.

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

Two large-scale sculptures of Adam and Eve greet visitors in the nude at the Time Warner Center in NYC.

Once a ferry dock, radio transmitter, and now a new Greenpoint park.

Queen Anne style apartment house built in 1886.

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.