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

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

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

After hundreds of years of settlement, this once-bustling fishing village sunk into the Chesapeake Bay.

Oddly shaped rock formation, misassociated with a nearby utopian community.

This erect, phallic geological spire wasn't always named so domestically.

Long before guestbooks and hotels, frontier travelers signed their names on this rock face.

Colorado's only true geyser is hidden within the San Juan National Forest.

Sandstone rock formations that look like they belong on the cover of a progressive rock album.

A recreation of an Old West apothecary full of curios.

The largest self-built castle in the U.S., six decades in the making.

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

An architect in Aspen used psychedelics as his muse while building this mushroom masterpiece.

This 19th-century ranch is being transformed into a residential library with thousands of books about the natural world.

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

The remains of an early 1900s dude ranch that operated until the 1970s.

Curios, scientific antiques, oddities for sale.

A remarkable time capsule of American manufacturing deep in Maryland coal country.

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

Walk through the history of American pop culture.

Fiji mermaids, mummified remains, and recreated cryptids are among the morbid oddities at this Maryland museum.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

The man who first patented the Ouija board rests in peace beneath a headstone that playfully reflects that achievement.

A hidden alley in urban Baltimore is a haven for graffiti artists.