Most-visited and most-photographed slot canyon in the American Southwest.

A sharp bend in a dramatic river canyon cut through red rocks.

Ancient pueblos built into the base of a natural canyon wall.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

A spooky and decrepit mental health facility is slowly being replaced with newer digs.

Once a private collection, now the only museum of arms and armor in the Western Hemisphere - CLOSED.

The rotting skeleton of a shoreside fun fair that was destroyed by fire and storms still haunts the Brighton ocean view.

One of the deadliest American air disasters is nearly forgotten in Brooklyn.

A church of bones, decorated with 40,000 human skeletons.

Macabre astrological automaton clock dating to the late 1400s.

Monument to a forgotten NYC disaster that claimed the lives of 1,000.

A recreated sign from the movie Jumanji has become a makeshift tribute to the film's late star.

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

A Civil War Museum with some notable medical antiques.

A castle built for love, and abandoned due to heartbreak.

Louise Bourgeois' 30-foot-tall steel spider sculpture.

The home, museum, and death site of Kodak's influential founder.

An antique cemetery in New York, this land is home to any number of famed corpses.

An old dining hall now serves up ghost stories for lusty locals.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

The mummified relics of an American missionary.

The first "Hall of Fame" in America was designed by legendary Gilded Age architect Stanford White for what was then the NYU uptown campus.