A castle hand-built by a Spanish dreamer in the Australian tropical jungle.

Hauled from the water's depths, Henry VIII's flagship is preserved in this capsule-shaped museum.

The remains of the first saint from Alaska in the Russian Orthodox Church.

America's smallest "national forest" has only 33 trees.

Tropical paradise strewn with hundreds of World War II wrecks.

The ruins of a lighthouse on the island Amelia Earhart never reached.

The ruins of an ancient island city built atop a coral reef in the South Pacific are spectacular and strange enough to have inspired H.P. Lovecraft.

An isolated dive site teeming with cnidarians.

Giant money stones of Yap.

Launchpad for the US military’s dead mouse operation to battle millions of snakes.

An authentic replica of an Asian temple and garden hidden amongst the natural beauty of Hawai'i.

Watch the newest land on the planet form before your eyes.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A Roman-style column in Oregon hides a spiral staircase inside.

Home of Howard Hughes' Spruce Goose.

An architect's childhood fantasy treehouse made real.

A beautiful geyser under environmental threat.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.

Cave carved out of a huge snow drift collapsed killing one and injuring five in July 2015.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

Granting the right of way to ships over surface traffic since 1917.

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

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