A daily replay of the experiment that proved the rotation of the Earth.

This elaborate towering structure was once famed for its revolutionary height.

Yo, Adrian!

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

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

The oldest surviving botanic garden in the United States.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

A rare view of a preserved Victorian science museum.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

A layered tribute to the work of mosaicist Isaiah Zagar.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

World's first "penitentiary," meant to be humane, drove men insane.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

Both funky and traditional, it's the oldest of its kind in Indiana.

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

An enormous natural sandstone bridge in Kentucky.

River pirates, murderous bandits, and serial killers used this Illinois cave as their debauched hideout.

In the Shawnee National Forest, amazing rock formations peer through the treeline.

Giant granite rocks standing end-to-end like a train of circus elephants.

Taxidermy, Cigar Store Indians, A Model of a New York Tenement and Delicious Draft Root Beer.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

This wooded grove of beautiful hand-built stone grottos is a hidden gem within a shuttered Franciscan monastery.

Entombed in this strange, white stone hill are the deadly remains of radioactive weapons production.