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

This might just be the TARDIS of bookstores.

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

A rare view of a preserved Victorian science museum.

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

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

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

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

The body of St. John Neumann and his collection of hundreds of relics, on display in a Philly church.

Dr Barnes' $25 billion private collection of art and arboretum.

Huge masonic hall in Philadelphia with lavishly themed rooms.

The oldest surviving botanic garden in the United States.

One of New Zealand’s few castles boasts beautiful gardens, grand architecture, and a history filled with family drama.

One of the oldest medical collections in Europe focusing on rare surgical instruments.

France's most famous cemetery, with some of its most curious tombs.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

Notorious artist squat renovated into legal studios.

The vast, legendary catacombs hold secrets much stranger than stacked bones.