The floor of the oldest surviving synagogue in the Americas is entirely covered in sand.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

An Iron Age fort on the edge of a seaside cliff offers a glimpse into an ancient, mystical world.

This Italian dam is covered in salt-hungry goats who manage to scale its almost vertical face.

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

A sewing machine tycoon built this miniature castle for the people and to beautify a lakeshore.

These huge stone ovens in the desert fueled the Nevada silver boom, and may have also been a hideout for outlaws.

The deepest sinkhole in Central Europe comes with a grisly tale and an unusual nickname: “The Stepmother Abyss.”

This renaissance château was home to an infamous witch hunter who sent a hundred suspected witches to their deaths.

Derelict airplane bodies serve as both home and income for three Thai families.

The ruins of this Dutch castle sit atop a labyrinth of once-secret tunnels and passageways, dating back over 900 years.

Four bald cypress trees in Lafayette Square, across from the White House, mark the southern edge of a 100,000 year old cypress swamp.

Vietnam's feral abandoned water park offers access to a post-apocalyptic funscape, now with fewer crocodiles.

What looks like a link in Gondor's early warning system is actually a centuries-old Italian fortress.

One of England's most famous churches hides a pair of little known architectural treasures.

This is not only one of the oldest collections in Europe, but also possibly the most beautiful.

This sandstone gorge in New York State's Adirondack Mountains is home to waterfalls, flumes, and more.

This modern monument to pagan belief looks like it was transported straight from ancient times.

This Maryland farm is known for its amazing corn mazes and its 30-foot junkbots.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

This historic train station has been converted to a locomotive themed hotel.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

The "original web site," this farm in Northern Vermont encourages orb-weaver spiders to build their daily webs, and then sells the preserved masterpieces.