An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

A futuristic-looking beach house built for the owner of a snack food brand.

Far from the shore, this sandy victim of the Skeleton Coast looks like it was plopped in the middle of the desert.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

This centuries-old Italian chapel hangs midway down a sheer cliffside.

The strange phenomenon causing gravity to "work backwards" on this hill has been blamed on the paranormal.

Five mythical trolls have taken up residence in woods and hidden on paths at the Coastal Maine Botanical Gardens.

The final resting place for the famed creator and narrator of "The Twilight Zone."

Everyone's favorite clay duo immortalized in bronze.

Once the last route taken by condemned prisoners.

An unusual ode to the late Irish playwright, complete with a squiggly bust and coffin-shaped bench.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

The nearly 120-year-old piece of pork wears a brass collar and was once a man's "pet ham."

A familiar otherworldly creature guards this 12th-century Scottish abbey.

Once in disrepair, this popular Texas stop along iconic Route 66 has been restored to its past glory.

One of the last Art Deco gas station still standing in Dallas.

Perhaps the world's only gas station inspired by a political scandal.

This bright yellow relic is the final survivor of a short burst of seashell-shaped petrol pumps.

The dramatic upward-curving roof is one of the most iconic examples of Googie architecture that still stands today.

At this gas station in the middle of the desert, a convenience store has been carved directly into the rock.

Macabre astrological automaton clock dating to the late 1400s.

A Jenga-style cylindrical tower of books that appears to go on forever.

Where else would a linchpin of post-colonial Native American cuisine anchor the menu but a museum?

Named for the 39 tribes that live in Oklahoma, this restaurant's menu deliciously highlights local flavors.