Places meltingknight Wants to Go

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

Take a drunken tour inside the world's largest known geode.

"Looks so real, it's scary!"

Breathtakingly blue walls shimmer inside the "Glacier Behind the Town."

Finale of "William Tell Overture" can be heard as drivers pass over grooves in the road.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

Where beautiful signs live on forever.

A favorite haunt of dinosaur loving children and hallucinogen loving hippies alike.

The largest earthwork effigy in the world.

The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.

Private collection of art inspired by cabinets of curiosity.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

This weird abode has inspired everything from the "House on Haunted Hill" to a robot hunter's pad.

An abandoned castle owned and ignored by Masons carries a cursed history.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

The last of its kind in the country.

Left untouched since a double murder-suicide in the 1960s, Los Feliz murder mansion remains a neighborhood mystery.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

Hellam Township is reputed to feature seven remote gates, which when passed through in the right order, open an entrance to hell.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.