These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

Hollowed out cedar log tubs set in an ancient towering forest.

The first declared National Monument in the United States.

A giant Troll lurks under one of Seattle's oldest bridges.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

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

America's most famous piece of self-built architecture.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

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

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

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

A trash dump made beautiful by nature's power.

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

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

A bizarre house filled with an astounding array of collections.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

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

Rippling sand dunes frozen in the Arizona rock.

The magic's in the hole!

Is this the most Portland place ever?

A Victorian mansion, painstakingly reproduced to appear just as the the Munster's family home did on TV.