A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

Read a book next to a Midtown waterfall.

Sniff the Titan Arum's rotting flesh.

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

A hands-on traveling collection of the innovative devices of yesteryear.

A semi-scholarly approach to sex.

This Rhode Island mansion was a stand-in for the exteriors of Collinwood in the original "Dark Shadows" series.

The exact whereabouts of this surreal cabinet of curiosities are rarely the same place twice.

Unicorns, elephants, and bears, oh my!

This exhibit is one of the largest and most well-preserved collections of Jurassic-era trackways in the United States.

The often-overlooked ruins of one of the first buildings designed by famous landscape architect Frederick Olmsted.

Designed as a place for patients to take in the scenery, this tower has a dark history.