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

This abandoned Victorian-style house was built in 1884.

The abandoned "Ghost Mansion" was left to decay in the mountains of Northern Italy.

Wine bottle sculpture with a ship's stateroom inside.

One of the last Jazz Age "Wonder Theaters" in New York City.

Hidden within a spa in a Texas strip mall is a restaurant specializing in Eastern European foods.

This crumbling UFO is one of only a few remaining "moveable ski chalets" of its kind.

Locals call this magical moss-covered walkway the "Emerald Path."

The 3,600-year-old archeological sensation is considered to be the oldest representation of the cosmos.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

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

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

One of the world's oldest working clocks is curiously missing the Zodiac sign of Libra.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

A 19th-century funicular railway shuttles visitors up this surprising sea cliff to one of the world's largest camera obscuras.

This once-private estate is now a dreamy, meditative garden that's open to the public.

Cycle the solar system—from the sun to Pluto—right here on earth.

Britain’s longest ancient monument, this great 8th century earthwork was built to mark the boundary between what would become England and Wales.

Hidden in the shadow of a rocky fortress is one concubine’s long-forgotten legacy.

A botanically themed auditorium blooms within the world’s last operating double-decker theater.

It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.

These particularly resplendent rodents are the state animal of Maharashtra.

Ancient ruins hidden underneath a modern luxury hotel.

The sign announces the Scottish village's cosmic connections, as it's twinned with Glenelg, Mars.