A gorgeous garden oasis with winding paths, stone bridges, and a troubling history.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

The largest drain hole in the world.

The loneliest island in New York.

The famous author's cottage hideaway.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

These towering spires and glowing walls are carefully crafted from hundreds of thousands of icicles.

This bright yellow relic is the final survivor of a short burst of seashell-shaped petrol pumps.

DIY collection of eclectic holdings.

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Collection of trolley cars in the woods represent one man's attempt to preserve transportation history.

Constant erosion has created a surreal landscape of bleached and preserved fallen trees.

An eerie, decaying ghost town destined to fade into the forest.

A picture-perfect town, perfect for blowing up.

The "Fun Spot of the Desert" is now a haunting ruin, and a reminder that putting a water park in a desert is a bad idea.

Once an ambitious nature spa, these forest ruins now provide a serene monument to failure.

The flower-shaped temple in Virginia aims to transcend the boundaries of the world’s religions.

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

The first park built over a freeway is a brutalist masterwork.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

A stunning, abandoned limestone quarry in southern Indiana provided the stone to erect the Empire State Building.