The fifth-longest natural arch in the world, and the longest outside China.

An eerie natural formation that looks right back at you.

This road winds through the steep coastal cliffside offering spectacular views for those who brave the drive.

A memorial to the only dog ever officially enlisted in the Royal Navy.

This arch made out of whale bones is a remnant of South Africa's whaling history.

This African beach is home to thousands of rare mainland penguins that are known for their annoying voice.

The Cape of Good Hope is not quite as low as you can go on the African continent, but it's still geographically significant.

Despite many attempts to finish this overpass, it has been abandoned since the 1970s.

Nancy Thompson's Home from "A Nightmare on Elm Street."

This ultra-modern home clings to the slope of the Hollywood Hills on a precarious stilt.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

Historical figures from New York City's Catholic community reside in Midtown.

Known as the "Grand Lady of Jersey City,” the city's first racially-integrated hotel was owned by a preacher who was, depending on who you ask, a cult leader, civil rights pioneer, or the manifestation of God.

Prank calls to this place, originally the "Tube Bar," inspired the creation of a Simpsons character.

Possible relics of the ancient Roman city are hidden in this restaurant's façade.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

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

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

A remnant of the original World Trade Center complex continues to serve as a commuter gateway.

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

The iconic Manhattan corner that was once the site of the Beastie Boys' fake clothing store.

Salute the leader of the proletariat.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

Everyone from Mark Twain to Teddy Roosevelt has a pipe hanging from the walls of this historic chophouse.