An abandoned railroad tunnel is now filled with bioluminescent bugs.

One man's ambition created this psychedelic log home.

Peek into a cave of giant, glimmering crystals.

A tiny red pebble marks what may be the quietest outdoor spot in the United States.

A futuristic-looking beach house built for the owner of a snack food brand.

Once the center of power for the region's various factories.

An actor's tribute to a former mentor.

Ado Awaye Mountain and the unique lake that sits near its peak are shrouded in ancient legends.

From bench to vandalism to art, this silly prank seat was funny enough to become permanent.

Monty Python fans will recognize this abandoned mine as the Cave of the Killer Rabbit of Caerbannog.

A Buddhist retreat built on more than 100 acres of California Redwood forest.

The fading, forgotten remains of a once bright and booming factory.

Despite the ever pressing encroachment of urban sprawl this grand New Orleans manse still stands.

The oldest hotel in the world has been operated by the same family for over 1,300 years, even catering to samurai.

Once the extravagant escape of the Ford family, this enigmatic ruin now stands as a haunting reminder of its former glory.

When the rain falls, this drain system turns into a musical instrument.

Internet rumors, often involving Icelandic singer Bjork, have abounded regarding this isolated outcrop of rock.

Not-so-fearsome tiny trolls live under this wooden train trestle in Portland.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

The only fully-realized skyscraper built by the famed American architect, Frank Lloyd Wright.

Spend the night in this formerly abandoned traditional Scottish village.

Eight rare Corvettes are swallowed up by a sinkhole in Kentucky's National Corvette Museum.

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

It's where the final scene of the beloved Tom Hanks movie was filmed.