These unusual rooms on wheels are holdovers from the 1960s.

This 1960s kinetic artwork has been restored and is once again whirling away in downtown Minneapolis.

This isolated Japanese mountain village untouched by time showcases unique and stunning traditional architecture.

According to folklore, Vermont's slanted windows were installed to keep witches from flying into the house.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

One of the world's premier laboratories for hydraulic engineering research takes full advantage of the water's power.

More than 700 species live within this murky marvel of a swamp on California's coast.

A quiet, semi-secret square with statues of Mahatma Gandhi, Virginia Woolf, and a conscientious objectors stone.

One of two giant blue cockerel statues erected with an intentional double meaning.

Thousands of people walk over this fantastic work of art every day, but how many notice it?

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

The site where Charles Dickens gave his first public reading of "A Christmas Carol" in the US.

"Mock all and sundry things, but leave the saints alone."

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

The ruins of one of the first railroads in the U.S. lie hidden within a neighborhood cul-de-sac.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

A unique tribute to the millions of animals who served and died for the British military.

There’s a hidden military meme engraved on the World War II Memorial.

The world’s largest underground marble quarry is hiding in Vermont.

Originally built for London’s cab drivers, this bright green hut now serves anyone a hot drink or meal.

The headquarters of one of the world’s longest-running humor magazines bears a noticeable resemblance to a head wearing a Prussian helmet.

This small glass cube is a peaceful out-of-the-way sanctuary at the busy airport.

The Tudor-style cottage in the middle of the square is not quite what it seems.

These lush botanical gardens employ the most purrfect pest control force.