Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

World Trade Center memorial likened to a woman's sexual organ.

Destructive children, start your engines.

A collection of full-size movie monsters opened to the public.

A dollhouse full of taxidermy rodents, each one handcrafted and given a sordid past.

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

The author of Uncle Tom's Cabin was neighbors with Mark Twain while living in this Connecticut home.

An archival collection of over 2,200 case studies which includes human brain specimens and tumor specimens.

Celebrating an art form with a collection of puppets from all over the world.

A free display of artistic lifesize dinosaur sculptures in a backyard garden.

The world's largest indoor go-kart racetrack is hiding in Connecticut.

This candy-striped tower is the farthest east you can go in the United States.

The highest point in Maine is a grand gift to the state citizens that also happens to be one end of the Appalachian Trail.

A curiosity-seeker's paradise set inside a three-story historic school house.

Visitors to this arboretum are greeted by three smiling giants crafted from sustainable materials.

Prehistoric animals decorate this popular outdoor park.

A local scoured more than 1,000 acres for stone to create his masterpiece.

Eight rare Corvettes are swallowed up by a sinkhole in Kentucky's National Corvette Museum.

Patrick Dougherty's fantastic living tree sculptures, mind-blowing but temporary.

The home used in just a few seconds of film that came to define the setting of a hit sitcom.

One-layer pyramid in Indiana.

The chiseled jaw of this forgotten American hero still stands tall in a small Indiana town.

The only freestanding table rock formation east of the Mississippi.

The farm where one of America's greatest leaders was raised is now a well-appointed landmark.