The site of a defunct mill, that once supplied marble for the construction of the Lincoln Memorial.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

Locals place their offerings on this nightmarish gnarled tree so the witches won't summon another storm.

An unassuming nature trail winds through dozens of tiny houses built for the wee people.

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.

What was once a trend-setting, phrase-coining icon of architectural splendor is now a rotting, forgotten hulk.

A once grand hotel is being retaken by the wilderness it once capitalized on.

A natural gas leak provides a flickering flame beneath a waterfall.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

A hand-built folk art installation covered with messages of God's love.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

The final resting place of New Orleans' most famous voodoo priestess.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

A desert settlement founded and later abandoned by Hawaiian members of the Church of Jesus Christ of Latter-day Saints in Utah's Skull Valley.

A mysterious air force base built to resemble a Long Island fishing village.

This former theme park in New York's Adirondack Mountains fell into ruin before being resurrected as a state-run campground