The unbelievably opulent home built for an infamous newspaperman.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

This museum celebrating the almighty dollar lets visitors literally stand in the shadow of a million bucks.

A Swedenborgian glass church surrounded by redwoods sits perched atop a massive landslide area.

A massive sea stack famous for its appearance in The Goonies.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

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

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

This historic hotel invented the chocolate brownie.

The secret city built by the Manhattan Project.

A multi-storied adobe complex has been inhabited for more than a thousand years.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

A wall of chewing gum moonlights as collective art.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

This replica of the Greek structure is in the heart of Nashville.

A house carved into a rock in the 1940s.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

Historic funicular railway, believed to be the shortest railroad in the world.

The highest bridge in America was built for an almost unnervingly small amount of money.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.