A rusted metal giant pays tribute to Birmingham’s industrial past.

The second-largest ceremonial mound in the United States is an artificial hill that is loosely shaped like a pentagon.

Built by prisoners of war, the largest small-scale model ever built includes eight miles of tiny streams that now sit abandoned.

A mysterious light floating in the trees of Arkansas may be a piezoelectric effect.

Elvis's own personal tropical hideaway.

Walk the whole Mississippi River!

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.

An ever-growing collection of rare and strange objects owned by local Arkansas illusionist Maxwell Blade.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

The oldest surviving synagogue in New York City is now a soaring art space.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

A display of magnificent stained glass windows is the first exhibit of its kind.

A Museum of Holography frozen in 1974.

A massive cave complex boasts some of the clearest water (and most charming bats) in the world.

An exquisite tunnel of cascading flowers.

A disconnected rotary phone for "calling" lost loved ones offered a unique way of dealing with grief in disaster-stricken Japan.

Japanese national treasure originally built in 593 CE.

450 dead and frozen fish, proudly on display in Japan.

"Excuse me sir, your submarine is blocking my building."

Founded over a thousand years ago, this shrine is said to be built on the site of a warlord's harem prison.

On Japan's Tashirojima Island, cats are king.

A Japanese corporation has turned this small island town into living modern art gallery.

The abandoned Japanese amusement park once loomed as a dystopian Disneyland.