Places pasharp1031 Wants to Go

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.

When ecosystems collide in the arid Southwest.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

A tiny red pebble marks what may be the quietest outdoor spot in the United States.

Canyon walls shrouded in ferns.

The highest bridge in America was built for an almost unnervingly small amount of money.

A 300-yard long natural tunnel runs through a ridge deep in the Appalachian Mountains.

This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.

The eccentric mansion of one of the most popular horror authors of modern times.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

An abandoned relic of the city's failed experiment with below ground transit.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

The longest navigable underground river in the United States is home to countless blind and albino animals.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

A tunnel once abandoned now thrives with graffiti art as an off-limits makeshift gallery.

European castle ruins in an American state park are actually the product of death and grief.

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

An abandoned castle owned and ignored by Masons carries a cursed history.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.