A fountain standing as a testament to a doomed alliance.

Step back in time and witness the fall of Constantinople.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

Magnificent New Deal Murals evoke a time when New York City harbor was one of the world's greatest and busiest ports.

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

Fittingly, America's museum of architecture is itself a magnificently designed old building.

America's oldest Eastern European synagogue provided the immigrants of crowded Lower East Side tenements a space of sanctuary.

A scale model of Russia so big visitors are offered binoculars to rent so they can see the whole thing.

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

The only depiction of Abraham Lincoln holding a weapon, and the names of all 9,000 Cuyahoga veterans of the Civil War.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

This Czar-funded, onion-domed, lavishly muraled Orthodox Church played a starring role in "The Deer Hunter."

The "Seinfeld" diner.

During the holidays, a vintage subway train whisks New Yorkers back in time.

Back in the tiny USSR.

Looking for a unifying history, Uzbekistan finds its answer in a 14th Century Turco-Mongol conqueror... despite the fact he wasn't Uzbek.

An entertainment center in a huge transparent tent.

A modern tower, symbolizing the legend of a golden egg on top of the tree of life.

This Soviet-era athletic and recreation facility is the highest ice skating rink in the world.

The first Russian Orthodox church in North America and an Alaskan landmark.

The bust of Romania’s most notorious ruler, Vlad Dracula aka "Vlad the Impaler," keeps watch over the ruins of his medieval court.

This former Imperial summer home was the venue for a royal slap that once echoed 'round the world.