A historic covered bridge is but one example of an oddly prevalent American urban legend.

The oldest farmer's market in America is so ancient it was approved by the King of England.

Delicate Wurlitzers, creepy clowns, and The Noid all share space in this insane explosion of kitsch history.

This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

This might just be the TARDIS of bookstores.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

The world's third-largest crystal sphere has sat in the Penn Museum since 1927 with the exception of one outlandish theft.

The oldest active church in Pennsylvania is also the second oldest Swedish Church in the United States.

Old neon signs from the City of Brotherly Love provide a snapshot of the city’s evolution.

The oldest surviving presidential residence in the United States.

A curious building honoring past and current members of a historic musical comedy troupe.

America's smallest national park site is the former residence of exiled Polish national hero Thaddeus Kosciuszko.

This museum boasts a bucket of teeth and tells the tale of a 20th-century dental circus.

The oldest surviving botanic garden in the United States.

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

A rare view of a preserved Victorian science museum.

Murder scene memorialized in perpetuity by grisly obelisk.

An annual celebration of the infamous, unsolved skyjacking.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.