In which a local geological marvel becomes a quaint roadside attraction.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

One of the U.S. Forest Service's only mansions is outfitted with a dinner table for floating food.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

Beautiful views of the surrounding hills and birds of prey can be found at this sanctuary.

This park contains a number of standing stones meant to heal and inspire.

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

Yo, Adrian!

A layered tribute to the work of mosaicist Isaiah Zagar.

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