A once crucial portion of the Long Island railroad still lays abandoned, waiting to be turned into an urban park.

This sawtooth mountain range still bears the strangely lovely marks of its history as a medieval quarry.

This chilly Canadian hotel has a four-month lifespan due to the unusual material it's made of.

Every autumn, this hillside is ablaze with red summer cypress.

This seven story Japanese love hotel now stands in ruins.

The original "capsule building" is a masterpiece of Metabolist architecture.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

This electric green sulphur lake in New Zealand looks like a cartoonish radioactive dump site.

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.

This trio of Dominican cave lakes comprise a colorful biosphere of natural life.

Handcrafted thermal spa washes away each night with the tide.

The freshest fish here are the ones you catch yourself.

A late sculptor's last project was to turn this abandoned cement factory into a castle-themed amusement park.

A quirky house created entirely out of glass bottles combines a collector's spirit with an artist's flair.

The original goat tower, the one that started it all.

An abandoned water park overtaken by the dunes.

This otherworldly French waterfall looks like its waters have turned to stone.

The first evidence of some of the Earth's earliest life was found in this fossilized undersea grotto.

These jagged limestone blades cut out through the canopy of the jungles of Borneo.

Ghosts of France's colonial past.

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

This Parisian café sticks almost exclusively to an ethos of reuse.