Native Americans built this circle of stones, which was used to predict astronomical events.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

An unrealized dream to wirelessly electrify the entire Earth.

An underground city of salt.

This single room has survived the centuries with almost no deterioration.

This giant bronze Buddha, the third largest in Japan, is the last in an ill-fated series of statues.

A wartime promise becomes a shrine to Our Lady of Lourdes.

One of the most popular megalithic sites in Ireland stands as a humbler version of Stonehenge.

Luxurious devotion and 500,000 images of Buddha in Myanmar.

Bring your hiking shoes, wool socks, and thermal underwear for a stay in these cozy forest huts.

Prehistoric animals decorate this popular outdoor park.

One of the few surviving "Wigwam"-themed motels.

One of the first hotel rooms in a pod.

This semi-secret garden in south Seattle emulates a traditional Japanese garden using the plants of the Pacific Northwest.

A Boeing mechanic and his wife leave a whimsical, stone sculptured garden as their legacy.

A walk through the historic city center, under the streets of Seattle.

Treehouse motel and treehouse-building school.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

A tourist attraction founded around a slumping cabin.

The world's first ice hotel is still one of the most elaborate and beautiful.

This Japanese-inspired labyrinth of hot springs is hidden in a Chilean forest.

America's oldest archaeological site or a muddled case of wishful thinking.

This large round boulder is said to emit spiritual power, but it may just be magnets.

Hellam Township is reputed to feature seven remote gates, which when passed through in the right order, open an entrance to hell.