The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

Near-constant high winds deform the trees on Spruce Knob, the highest point in West Virginia.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

Despite its lavish ornamentation, and wholesome lifestyle of its devotees, this mountain commune has faced its share of issues.

An engineering error ensured this cavernous 350-foot-long subterranean thoroughfare was never used as intended.

It was an experiment to prove that glacial boulders and rocks can be used in constructions and dwelling.

An abandoned football stadium with a tragic past.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

Defying all odds, this lonely little tree found a home on a log sticking out of a Canadian lake.

A painfully obvious spy house sits right across the street from the Russian Embassy.

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

These legendary stone steps were once used to haul coffins up the rockface.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

This single-track road rewards brave drivers with stunning Scottish scenery.

A 22-million-year-old sandstone cave is a natural habitat for award-winning cheese.

You'll find the little birds tucked within the rocks of this Australian beach.

This retro underwater observation tower would make the perfect lair for a sea-loving villain.

The fountain marks the area where hundreds of accused witches were burned at the stake.

A labyrinthine network of chambers with a storied past hides below Edinburgh's South Bridge.

The last occupied troglodyte dwellings in England weren't abandoned until the 1960s.

Four-story slides send people whizzing through the math department at this Munich university.

Nestled amid the peaks and lochs of the Scottish Highlands, this inn and pub has played host to outlaws and ghosts.

After visiting hours, this picturesque waterfall is essentially turned "off" to be used for hydroelectric power.

A uniquely lettered street sign marks the corner where the iconic word game was invented.