This volcanic cave lake is essentially hard proof that Iceland is the most magical place on Earth.

The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

Famously misunderstood wonder of the ancient world

A miniature rainforest is growing inside of a Midtown Manhattan office building.

Elevated freight railway turned wildly successful urban park.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

New York's oldest magic store.

An old vending machine serves up unpredictable beverages from its seemingly magical insides.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

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

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

Hot springs monkey spa in the middle of Hell's Valley.

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

Medicinal spa created with the discharge from a geothermal energy plant.

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

Tucked in the back of this amazing antique store is an important piece of medical history.

On the Oregon coast there is a natural hole that seems to be draining the sea.

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

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

A psychedelic labyrinth on the San Francisco bay.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

A terrific purveyor of natural history objects and curios.