Try not to get slimed in Tribeca.

A popular European tradition makes its way to the states on one of America's most famous bridges.

Avoid gangster interaction while window-shopping.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

A crumbling hospital from the 1850s on Roosevelt Island.

The northernmost point in Denmark is a turbulent sandbar created by two clashing seas.

Tiring of digging out the door to this church for every service, it was eventually abandoned to the sands.

This Danish park has celebrated the American independence day since 1912.

A walkable map of the world, made from soil and stone by one man.

Remnants of the Nazis' occupation of Denmark linger along the sand.

Four alabaster giants contemplate the tides on the shore of Denmark.

An enormous playhouse designed to look like 21 stacked Lego bricks, with another 25 million colorful Legos inside.

The original home of the Lego has a huge amusement park dedicated to the iconic plastic toy.

Mounds, rune stones, and a 1,000-year-old church, left behind by Denmark's first two kings.

This unique architectural wonder is home to luxury apartments.

Denmark's famous pseudo-hill.

Iron Age "bog person" preserved for over 2,300 years.

A symbol for the opposition to nuclear power around the world.

An Elvis superfan built Denmark's own version of Graceland.

This enormous aluminum figure in Denmark lying in a plunged position, echoes the global debate on canceled historical statues.

Elevated freight railway turned wildly successful urban park.

A little lighthouse in New York City, surrounded by mysterious stories of insanity-driven construction.

An art installation commemorates journalist Nellie Bly's undercover reporting inside a New York asylum.

A sculptural commentary on capitalism pokes up from the East River.