Started as a kitchen garden, now the second largest botanical garden in the world.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

The sign at the garden gate reads: "These Plants Can Kill."

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

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

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

Dramatic river bend surrounds a natural red-rocked pedestal.

These fantastically named natural pools look like something out of a Scottish myth.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

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

World's first "penitentiary," meant to be humane, drove men insane.

An exquisite tunnel of cascading flowers.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Rippling sand dunes frozen in the Arizona rock.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

A psychedelic labyrinth on the San Francisco bay.

An artsy hidden staircase leads to breathtaking views of San Francisco.

A unique blue and yellow phone booth in America's "Little Sweden."