Historic funicular railway, believed to be the shortest railroad in the world.

A one-of-a-kind collection of a unique medium.

A music-filled, booze-soaked oasis in the desert.

A sculpture made of 10 Cadillacs as a monument to the “Golden Age” of the American automobile.

This replica of the Greek structure is in the heart of Nashville.

Outsider art meets paleontology at this roadside reptile repository.

Exact replica of the ancient monument, but much, much lighter.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

100 massive sculptures in the Hudson River Valley.

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

The world's largest kaleidoscope, designed by a 1960s psychedelic artist.

A 16th-century horror show built in a lovely Italian garden.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

Fortified medieval tower house with lovely roof garden.

The largest and most famous wax anatomical collection anywhere in the world.

The oldest continuously operating farm in New York State.

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.

Lie in a hammock where George Washington stood.

Four cars from the old system were once on display, but were removed in 2014.

A decommissioned military complex that's now a modern industrial park.

Ride the subways of yesteryear.