Doris Duke's lasting collection of Islamic Art, hidden in a Hawaiian paradise.

Over 315,000 preserved amphibians and reptiles in jars.

Sweet Willy, at 30 feet tall, is the world's biggest beagle.

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

Toy museum in a former tavern is the expression of one man's life pursuit of the aesthetic power of cartoon imagery.

While it is not equipped to peer into outer space this observatory looks like it was built on the moon.

Space program, pneumatics and more, bits and pieces, for movie sets or the common man.

This grave in a ghost town cemetery marks the death of a witch on a day that never happened.

Eastern zen meets Western grit in these four little trees growing out of a rock on Lake Tahoe’s Nevada shore.

Resonating tubes make music from highway overpass.

One man's vision and a labor of love of many.

This collection of over 50 classic pinball machines awaits visitors to downtown Roanoke.

Birthplace of America's first documented serial killer.

This meticulously extracted nervous system allegedly came from a 19th-century custodian who donated her body to science.

This stunning sea creature-shaped home blends into the landscape like a fantasy villa.

At 207 feet, one of the world's longest continuous escalators.

Painstakingly built dioramas sit unnoticed in a Boston office building.

One of America's first dinosaur parks gives a window into Depression-era paleontology.

Why have you never heard of the second most popular tourist site in New York?

1920's mining camp and environmental education center is serving to protect the surrounding forest, one of the last of its kind in the Pacific Northwest.

This eccentric mansion museum holds a impressive collection of rare and automatic instruments.

A whimsical tower with a spiral staircase, inspired by the Space Age and the Möbius strip.

This lush forest valley was once mined for lumber to the extent that it was once nicknamed "The Pennsylvania Desert."

Over 12,500 words are scrawled across each room of this historic plantation house and no one knows why.