A collection of full-size movie monsters opened to the public.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

Constructed in 1676, this stone memorial is believed to be the oldest veteran's memorial in the United States.

A 19th century library favored by Edgar Allan Poe and H.P. Lovecraft, known by locals as "the Ath."

The largest collection of historic military firearms in the United States.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

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

A beautiful oddities shop crammed with strange and morbid curiosities.

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

Art museum based around the collections accumulated over 58 years by one eccentric thrift store owner.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

An intricately designed junk art house with four extravagant junk art cars hidden in the suburbs.

A hidden alley in urban Baltimore is a haven for graffiti artists.

The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

An abandoned stretch of highway, deteriorating next to the operational one.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

Hidden in the New Mexico desert southeast of Roswell, nine small deep lakes formed inside sinkholes.

A clear blue swimming hole with hidden caves, still unexplored.

This old selenite mine is dotted with tiny crystals that make it shimmer like it's covered in glitter.

A natural history wunderkammer in the middle of the desert.

A nature and cultural preserve named for its multitude of petroglyphs carved by the Northern Sinagua people.

A working cattle ranch with remarkably well-preserved prehistoric petroglyphs and ancient ruins.