This beautiful, historic church looks like something out of a simpler past.

Largest private bird collection in Iceland, formed from a tragic accident.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

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

Waterway populated with abandoned projects, including a submarine.

The home of aviation trailblazers, in a remote corner of the big city.

Mysterious 500-year-old tapestries depict a unicorn hunt.

One of the oldest Jewish cemeteries in the city, it is now overgrown with an urban forest.

The crown jewel of the Queens Museum is a nearly 10,000-square-foot architectural model of the city originally built for the 1964 World's Fair.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

A way to take your secrets to someone else's grave.

The oldest bibliophilia club in America, with exhibitions on historic books and graphic arts.

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.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

A bit of retro transportation flair preserved in the world's largest department store.

One of the deadliest American air disasters is nearly forgotten in Brooklyn.

Twice a day one of these tragic bronze mariners drowns with the tide to remember all those the sea has taken.

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

Avoid gangster interaction while window-shopping.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

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