It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

Order scoops of pandan, lychee, and black sesame at this family-run institution.

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

World's first "penitentiary," meant to be humane, drove men insane.

Dinosaurs, magic, and wonder are hidden amid the forests of Allaire State Park.

An abandoned railroad tunnel transformed into a creepy path for hikers and cyclists.

According to local myth this cemetery is half evil spirits, half good—split down the middle.

A rock maze opens up to a panoramic viewpoint at an abandoned mine full of ghost stories.

North America's oldest quarantine facility was built in response to Philadelphia's 1793 yellow fever outbreak.

America's first serial killer rests in anonymity.

"Dark Sky Park" is heaven on Earth for astronomers, one of the rare U.S. locations with no artificial light pollution.

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

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

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

A storefront museum in Asbury Park honoring the Jersey Shore’s deep history of mystery—including the Jersey Devil.

A collection of haunted artifacts chronicles the career of the world's most famous paranormal investigators.