A ruined castle has more than its fair share of legends and ghost stories.

This tangled English forest looks like something right out of a fairytale.

This supper-club-turned-concert-venue still serves drinks at its original rotating bar.

The unfinished final resting place of some of Spain's most prominent politicians.

This "living building" on Georgia Tech's campus is home to a blueberry orchard, honeybees, and more than 900 solar panels.

Toss a Frisbee through the ruins of this Colorado gold mining town.

Known as the "Hobbit Houses," these storybook homes look like they're straight out of the Shire.

This dazzlingly turquoise mountain lake was created in the wake of a natural disaster.

An enormous, inside-out glass globe built in 1935.

Mysterious heaps of stones dot these otherworldly woods.

A rare surviving Victorian greenhouse designed specifically to house giant water lilies.

A haunted hot springs hotel that went from healing retreat to asylum before it was restored.

These mouldering mansion ruins remember a time when the Catskills were nothing but luxury.

The walkable ruins of an 19th century hotel, destroyed in a horse cremation gone wrong.

This abandoned Poconos resort is haunted by a history of kitschy romance and a violent fugitive.

The once-grand remains of this resort are slowly turning into the strange ruins of the future.

A crumbling cliffside ruin hidden in the woods.

An abandoned hotel in the highlands of Bali is shrouded in stories of ghosts, curses, and corruption.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

This forgotten Frank Lloyd Wright house is an architectural marvel at the end of a sleepy residential street.

One of Frank Lloyd Wright's greatest—and favorite—architectural masterpieces was almost lost.

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

Six tiny houses built for working class people form the largest intentional cluster of Wright homes anywhere.

One of Frank Lloyd Wright's final works was this UFO church.