This striking arch, one of the first architectural elements constructed in Prospect Park, was recently restored to its original glory.

Alexander Hamilton’s creation caused quite a bit of controversy.

The corporeal remains of Napoleon III's dentist rest under this 15-story obelisk.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Mural made of 100,000 pieces of hand blown glass, and one of the largest glass murals in the US.

The world’s first penitentiary, meant to be humane, drove men insane.

A walk through the historic city center, under the streets of Seattle.

A giant Troll lurks under one of Seattle's oldest bridges.

Love, knishes, and best wishes from this legendary Lower East Side bakery.

This railway-turned-greenway provides a pedestrian link in downtown Detroit and celebrates urban artwork.

To truly appreciate Detroit's landmark skyscraper, you have to step inside.

Astounding collection of coin-operated games and automata.

One man's attempt to create an artistic wonder on a run-down block in Detroit.

A wacky two-story folk-art assemblage of carved and found objects, with lights, motion, and sound now in need of financial support.

The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.

Once a bastion of its community, this gothic cathedral now stands as a haunting ruin.

Abandoned concert venue legendary for its rock counterculture.

A monumental statue of RCA's mascot now sits atop a historical society roof after a life of moving around.

A faded sign from the 1920s remembers Baltimore's resistance toward banning alcohol.

This giant boulder is sandwiched between apartment complexes in upper Manhattan.

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

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

Twin Peaks' real life Double R Diner has been restored to its damn fine television look.