Erected in 1697 this Philadelphia bridge is the oldest surviving roadway bridge and perhaps the oldest stone bridge in the United States.

The first American axe throwing club.

Current docking place of the SS United States, the fastest transatlantic ocean liner.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

One artist's love letter to his city and its citizens plays out across dozens of bright murals painted on the sides of decrepit buildings.

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

A layered tribute to the work of mosaicist Isaiah Zagar.

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

The neighborhood shop is a sort of tiny cactus museum full of exotic specimens you can take home.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

Shop selling 500 flavors of soda has something for everyone.

Medical and zoological curiosities for sale.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

These strikingly barren, rolling red hills were caused by bad farming practices.

305 homemade stone stairs wind their way up the Hamilton escarpment.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

This massive, ancient stone was disassembled and then put back together again.

A collection of more than 12,000 shoes, displayed in a building shaped like a shoebox.

Willy Wonka would love this weird half-a-home.

Secret Swing.