An artist's cute bronze subway sculptures belie his violent artistic past.

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

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

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

From scholastic to sepulchral - now under reconstruction.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

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

One of the last Jazz Age "Wonder Theaters" in New York City.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

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

Nikola Tesla's former home contains an homage hidden from plain sight.

Elevated freight railway turned wildly successful urban park.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

This functioning parish church is also the site of many concert performances due to its wonderful acoustics.

The world's northernmost aquarium looks like it has fallen over.

This beautifully preserved Ottoman house is steeped in history.

The elliptical citadel resisted the advance of the mighty Ottomans several times, thanks to the military prowess of the "Dragon of Albania."

This ominous Albanian fortress houses tanks and downed planes as a reminder of their victories over Western imperialism.

This massive statue is the personification of Bavaria and the first colossal statue of the modern period composed of bronze.

What happens when you cross a mayor and a painter?

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

An unofficial monument to the late King of Pop sits at the base of a Renaissance composer's statue

An Orthodox church inside a small "Garden of Eden" built by a man who had a vision.