"We Seceded Where Others Failed."

Island ghost town detailing Flagler's folly in building the Overseas Railroad.

Charnel house at the foot of Mount Sinai.

The largest known Ancient Egyptian obelisk.

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

A beautifully eclectic mix of architectural styles.

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

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Final resting place of two dozen New York City harbor ships.

For the holidays, the tallest broadcasting tower in the Netherlands turns into one of the world's tallest Christmas trees.