Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

The land is home to swimming ponies and a legendary 18th-century treasure.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

The world's largest piece of copyrighted artwork.

Try not to get slimed in Tribeca.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

This massive redwood tree has a hole in the base big enough to drive through.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

Tucked in the back of this amazing antique store is an important piece of medical history.

The yawning maw of this pagan visage is said to bite off the hands of liars.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

Sniff the Titan Arum's rotting flesh.

The ancient tomb acts as a calendar that keeps perfect time.

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

Tubing through a cave lit with glowworms is a magical underground experience.

When ecosystems collide in the arid Southwest.

An underground city of salt.

Avoid gangster interaction while window-shopping.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

Impossibly life-like natural history models created out of glass by a father and son.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

Pilgrimage site for star-crossed lovers.

You might know it as the Overlook Hotel, but the inside is not going to be familiar.