Elevated freight railway turned wildly successful urban park.

This Irish museum in a historic 19th century market pays tribute to the glory of butter.

A remarkably intact castle that once was the largest in Ireland.

The "Seinfeld" diner.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

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

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

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

A forgotten relic from New York's bygone trolley system hides in plain sight under a bridge.

One of only two commuter aerial tramways in the United States.

Come for the sustainable organic chocolate, stay for the sustainable organic booze.

The longest continuous underwater road in North America was built at the insistence of Franklin Roosevelt.

Michael Jackson got Bad and Crocodile Dundee walked on heads in this iconic Brooklyn subway station.

The final resting place of New Orleans' most famous voodoo priestess.

In 2010, Nicolas Cage purchased two plots in this cemetery using one to construct this strange pyramid mausoleum.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

A downtown park built on top of unclaimed graves.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

Paths are maintained, but trees have taken over plots.

"A hideous albatross in the Hudson River Valley."

This mouldering abandoned mental hospital was once a center for progressive healing.

This giant monument of the RCA mascot is a beloved fixture in Albany, New York.