Constructed in the 1920s, this former pencil factory is now an office building.

The only remaining Jewish congregation in Greenpoint.

Where Greenpoint's first European settler—and troublemaker—made his home.

Where the Monitor was launched and ushered in the age of the "ironclads."

A charming "tea atelier" hidden away in Greenpoint, Brooklyn.

One of the first major shipyards in Brooklyn.

Known as the "Forgotten City" it was home to industry, riots, artists, squatters, and to one of the largest single disaster fires in New York City.

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

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

Queen Anne style apartment house built in 1886.

If you were standing here on October 5th, 1950, you'd be dead.

A cylinder monument with a spectacular vista commemorates a friendship that some say never existed.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

The attic of a four-century-old canal house hides a clandestine church.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

A beautifully eclectic mix of architectural styles.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

Debatably clever, or just plain honest hotel advertised as "The Worst Hotel in the World."

Rock-hewn monastery complex with hundreds of cave structures tucked away into the mountainside.

Take respite inside this jaw-dropping church while climbing the volcano where Georgia's Prometheus was once chained.

Unusual building appears to be haphazardly built from randomly piled bricks.

These Stalin-era industrial 'death traps' hang lifeless above the city