A bright and wacky exhibit answers every question you may have had about human excrement, flatulence, and more.

South Korea's love of the silly photograph is on full display at this goofy collection of trompe l'oeil paintings.

An abandoned asylum incorporated into a college campus.

The only remnant of a small mining town is an abandoned railroad tunnel that is steeped in ghostly lore.

Rare recess caves fill this unbelievably beautiful Ohio park.

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

Fascinating museum dedicated to the under-appreciated medical history of urology features some wince-inducing devices.

This abandoned sea fort has become an accidental bird sanctuary.

Walk a trail through a historic Quaker town that outlawed slavery in 1777 and was a major waypoint on the Underground Railroad.

Electronic inventions that resulted in products and systems we use every day are on display in this labor-of-love museum.

A priceless collection of the Nation's cryptologic history.

Bar full of oddities, specimens, artifacts and homages to the great dime museums of the past.

This grisly headstone doesn’t seem to be resting in peace.

Art deco landmark on the outskirts of Washington, D.C.

The Forest Service's surprisingly sophisticated collection of wildfire prevention art features America's most beloved bear.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

An intricately designed junk art house with four extravagant junk art cars hidden in the suburbs.

The remnants of a wooden-hulled fleet built and abandoned in WWI, now home to a thriving ecosystem.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

A derelict bit of transportation infrastructure hidden in the woods.