This black shoreline is made up of exploded lava particles.

This industrial area was the dumping ground for massive amounts of trash, some of which washes up as tiny bits of sea glass.

An otherworldly, fossil-rich cobble beach holds Viking graves, cairns, and other remains.

Much of what constituted mid-century Liverpool now litters a beach outside of town.

Abandoned ships along a deserted beach feel like the set of a post-apocalyptic thriller.

An antique store houses the last operational diner from the defunct department store chain.

The sole remaining outpost of a once-thriving South Carolina chain still sells “pic-a-nic” baskets.

All that remains of the once-booming chain is a single orange-roofed restaurant.

Chiseled out of a sandstone cliff, one farmer's unfinished art project lies in ruins.

The oldest stone house in Paris was built by its most famous alchemist.

The deepest hole drilled in the name of science, where evidence of Precambrian life was found.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

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

This edible park is open to any and all foragers.

This former coal gasification plant found a curious second life as a popular public park.

The eerie remnants of an ancient forest were hidden under the sand for centuries.

A New Hampshire grave with a grudge.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

Described by William Wordsworth as a "World of Wonder."

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

This floating garden in the sky is straight out of a fairy tale, but the real thing is nothing short of magical.

Once the most densely populated place in the world, this island is now a ghost town.

This hulking behemoth is actually five interconnected towers built in the 1960s.

Nature took her revenge on the "Wickedest City in the World."