Places calvinballing Wants to Go

Site of a former hidden treehouse in New Orleans.

An abandoned stretch of highway, deteriorating next to the operational one.

Couple's personal collection of pinball machines turned public pinball museum.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

An old world fairytale-land with over 350 fairy folk figurines hidden amongst 800 year old cedars.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

The largest earthwork effigy in the world.

Monasteries on rock pillars, once accessible only by frayed ropes.

Quite simply the largest tree in the world (by volume).

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

This lab's maddening silence is good for business but bad for sanity.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

Hanging over one of Japan’s “hidden valleys,” these vine bridges must be remade every three years.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.

A modernist landscape of water and sci-fi concrete.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

The longest hedge maze in the world.

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

The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

A self-built castle made by a mysterious man.

This semi-secret storybook hedge maze is also the oldest garden in the city.