Once defending the city of New Orleans from invasion by sea, this fort faces an uncertain future.

Millions of glowing microscopic organisms light up the waters of this luminous lagoon.

Turnip-shaped island just off the Michigan shore in Lake Huron.

This Oregon farm is dedicated to teaching people the professional art of tree climbing.

An abandoned asylum incorporated into a college campus.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

Half of a house.

Colorful and chaotic stacked hotel in North Holland.

A unique sculpture park that specializes in the huge and bizarre.

An architect in Aspen used psychedelics as his muse while building this mushroom masterpiece.

This picturesque mansion has gone from opulent ruin to nature museum.

Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

Free public park and gardens filled with peacocks and peahens.

This abandoned subway station can still be seen on regular commuter trips.

In a city filled with Frank Gehry buildings, one stands out as one of the architect's weirder works.

This empty Victorian manse on Staten Island is said to be haunted but is actually a real life crime scene.

A retired tobacco farmer's pet project turned into a sturdy miniature city.

Home to the deepest rift anywhere on Earth.

The wild west is still alive and well at this authentic mining town watering hole.

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

Sacked by Vikings, blessed by William the Conqueror, dealt a fatal blow during the French Revolution—these ruins have seen it all.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A regular looking rock with an unbelievable history.

Discover for yourself what Herb Caen referred to as "the best kept secret in the Bay Area."