This unusual building straddles two countries.

A massive sustainable farm designed by the mastermind behind Central Park.

This cavernous abandoned marble mine is popular with ice skaters in the winter.

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

A New England curiosity cabinet, one hundred years on.

One car at a time please.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

Amazingly, this old machine within the Resorts Casino still functions.

Beautiful stained glass depictions of the history of human flight fill this surprising chapel.

Edison's cast-in-place concrete houses were a failure, but way ahead of their time.

A playground inspired by differential calculus dangles from the ceiling of the Liberty Science Center.

Destructive children, start your engines.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

A blend of art, antiquities, and Americana fill this museum, surrounded by whimsical, enchanting gardens.

A Maryland museum dedicated to Black history, housed in a historic church.

A lawn full of retired spacecraft on display at one of NASA's first research labs.

A haunting exhibit in a wildlife refuge center highlights threatened species and the conservation efforts needed to save them.

Walk a trail through a historic Quaker town that outlawed slavery in 1777 and was a major waypoint on the Underground Railroad.

The longest escalator in the Western Hemisphere takes over three minutes to ride down.

The shelves in the back of this thrift store are devoted to saving, not selling, retro tech.

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

A priceless collection of the Nation's cryptologic history.

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

Bizarre Cavern.