This anonymous businessman sculpted in bronze became an enduring memorial after 9/11, and had been mistaken by rescue workers for a survivor in the rubble.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

Berlin's beloved bear is immortalized at the Museum für Naturkunde.

Cold war icon and onetime "hole" in the iron curtain.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Carved initials which are nearly 500 years old preserve the deposed Queen's presence at Hampton Court Palace.

There’s a hidden military meme engraved on the World War II Memorial.

Memorial built in 1922 in remembrance of WWI casualties.

Infamous marsh filled with toxic waste, World War II-era London rubble, and dead mobsters galore.

A unusual sanctuary for abused and exotic animals in South Jersey.

This huge work of functional public art replaced a landfill in New Jersey's Meadowlands.

Commemorating the spot where the famous scientist fed his pigeons.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

A World War II-era submarine is stuck in the mud in New Jersey.

A preserved Nazi labor camp now has a Holocaust museum on site and memorials to the thousands that died while imprisoned at the camp.

On the Hudson resides one of the largest clocks in the world.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Marie told fortunes from her small stand on the Boardwalk for decades, including to a young Bruce Springsteen who would busk outside her booth.

Rat sculptures try to infiltrate the Graybar Building in an architectural tribute to New York City's nautical history.

The wooden telephone box hidden away in London's Piccadilly was the original prototype of the iconic kiosk.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

Look closely and you’ll notice that the color changes a third of the way up the tower.