This posh mansion began as a family's estate and ended as the site of a murder ripped from the pages of a pulp novel.

Bad farming practices caused this unnatural natural wonder.

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

A bizarre roadside attraction and the first instance of miniature golf in the world.

A grassroots community effort in the 1970s led to the creation of this beautiful garden full of delightfully whimsical exhibits.

A statue honoring 44 continuous years of greeting passing ships.

This hollow steel globe is the second-largest in the world.

This woodland architectural installation acts as a camera obscura for the heavens.

A comprehensive collection of bonsai set in a beautiful campus.

A little piece of the Shire is hidden behind a plant nursery in Port Orchard, Washington.

Stroll through a wonderland of stupendous moss-covered trees.

This large Sitka spruce that appears to be floating in mid-air, has defied logic for years.

A tribute to the Nirvana frontman hides beneath the bridge that was the singer's beloved hangout spot.

The tech giant built three enormous glass orbs in Seattle so employees could work inside a rainforest greenhouse.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

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

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

Strange beasts lurking in a garden are all that remain of a quirky, short-lived theme park.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

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

A prohibition era watering hole for the police.

This impressive Boston holy house is the American mecca for Christian scientists.

The best place in New York to pick up the controversial, notoriously foul-smelling Asian "king of fruits."

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.