A riverside tiny house with books and other treasures galore.

The mounds at this site were reconstructed with the help of archaeologists and historians.

A reportedly haunted parking structure with alleged links to Jack The Ripper.

Inside this church is an obscure piece of art carved by the famous Alice Liddell.

The largest covered bazaar in the world.

The center preserves and houses artifacts ranging from the colonial era to modern times from across Appalachia.

Take a leisurely walk through the park to find the seven giant troll sculptures hidden throughout the park.

For decades, a bottle factory dumped their waste into these waters—now it's considered the best sea glass beach in England.

A smoky doorway in Dakar leads to one of the city’s great communal eating experiences.

This island castle contains enough secret passageways to support a season of Scooby-Doo episodes.

The art studio of an early 20th-century painter, hidden amid the Great Smoky Mountains.

This abandoned mine offers a glimpse at what life was like for those who came to Alaska seeking Gold Rush riches.

Known locally as "the giant head," this 14-foot LED sculpture has a photo booth in the neck where you can have a 3D picture taken and displayed.

Home to around 40 different species, this forest was also the setting for "Crouching Tiger, Hidden Dragon."

Chilly air billows out from the entrance of an abandoned mine on a steep hillside, providing a refuge for Ice Age fauna and flora.

This tiny site in Iowa, part of a patchwork national wildlife refuge, is home to ancient flora and fauna.

Founded in 1925, this folk school attracts students from across the country and preserves traditional Appalachian art.

A memorial commemorating the only Scottish police investigation into an extraterrestrial incident.

Rent a barrel for a personal view of where the Baltic Sea meets the Gulf of Riga.

As part of an 800-year-old tradition, a man parades through town covered in a suit made out of spiky burrs.

Once part of a dam servicing an early 19th century grist mill, the tucked-way falls are a tricky-to-find urban oasis.

This enormous abandoned factory is now a makeshift graffiti gallery.

Explore more than 130,000 new and used books in the "world's largest outdoor bookstore."

Napa's oldest building is now a Mexican restaurant.