This free, take-a-book shop seems like a trick but isn't.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

Eighteen miniature death-scene dioramas.

This research center for rare prosimians is studying how they sleep to help prolong human life.

These experimental weapons brought World War II to Nebraska as well as 26 other U.S. states.

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

A place where the laws of nature seem to have gone completely berserk... but of course haven't.

A Borgesian work of art that may blur the line between fiction and reality a little too convincingly.

A Perpetually Under construction Park.

A whimsical sensor instrument for Minneapolitans to play on their walks to work.

An architecturally-focused antique shop.

One Confederate statue that accurately reflects the ugliness of its subject.

A reclusive Memphis neighborhood is home to decades worth of misunderstood Masonic folk art.

Walk the whole Mississippi River!

This head-spinningly bizarre Depression-era art cave is wall-to-wall quartz and Jesus.

The arboretum whose marshy soil sucked up the dreams of housing developers.

Steam engines and conveyor belts are remnants of a genius system left in the middle of the Maine woods.

Toy museum in a former tavern is the expression of one man's life pursuit of the aesthetic power of cartoon imagery.

True to its name, this bouncy walkway may be the world’s smallest suspension bridge.