What appears to be a wizard's lair in Milwaukee actually houses a massive water pipe.

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.

A former copper mine which became a truly unsuccessful prison.

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

Tucked away in the forest, these giant wooden trolls delight visitors in Charlestown, Rhode Island.

250-year-old farm now features sculptures, a petting zoo and a hippy-bazaar.

This ruined quarry once produced the distinctive red sandstone used for construction projects in Washington, D.C.

Construction uncovered this trove of fossils, which visitors are welcome to add to their own collections.

A local prank turned town icon.

The final resting place of an unidentified revolutionary soldier sits behind a Virginia church.

Originally conceived as part of a proposed Arizona State Capitol building in the 1950s, this structure built in 2004 stands as a monument to the architect's legacy.

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

A once-booming railroad left abandoned next to the Quinnipiac River marshes now intersects with a hiking trail.

Home to items never before seen by the public.

Public opinion is still divided on this enormous sculpture in front of Baltimore's Penn Station.

An eerie, abandoned military base engulfed by nature and graffiti is now home to a local park.

This Asian-inspired tower in a lush urban park provides spectacular panoramic views of Baltimore.

A museum dedicated to exhibiting remarkable outsider art.

The trials and tribulations of marking Poe’s grave.

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

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

A miniature city within a city, complete with traffic signs, signals, and streets to teach Baltimore's youth traffic safety laws.

The only public swimming pool in Baltimore open to Black Americans during segregation is now a permanent memorial art exhibit.

The ruins of an abandoned 18th-century town that is slowly being reclaimed by the forest.