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

A former insane asylum despised by Nelly Bly and Charles Dickens is now fashionable apartments.

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

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

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

A crumbling hospital from the 1850s on Roosevelt Island.

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

This museum offers an actual time machine back through Colorado's past.

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

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

A massive Montreal stadium that has seen nothing but trouble since its inception.

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.

A dilapidated dock tells the story of Titanic's missed arrival.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

A lion given to the prime minister somehow got stuffed and sent to Florida.

A relatively obscure antihero from the Marvel Comics universe adorns a wall inside Iceland's main airport.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

Europe’s most powerful hot spring supplies the surrounding region with hot water.

On a clear day, you can see all the way to the Virgin Islands from the top of this observation tower built in the 1960s.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

A formerly glacier-tipped volcano that inspired none other than Jules Verne.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.