Strange physical sensations and optical contradictions keep visitors coming back for more.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

Death comes to anyone who dares to touch this concrete column.

An impressive collection is dedicated to the legendary beast.

The world's first time capsule lies behind a welded steel door in Atlanta.

Bad farming practices caused this unnatural natural wonder.

An underground magnet for ever-changing street art.

This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

The curiosities and wonders of pharmacy in a delightful historic building.

A bizarre roadside attraction and the first instance of miniature golf in the world.

A curious whirlpool formation supposedly capable of entangling or engulfing branches, tree trunks, or whole rafts full of hapless tourists.

The perfectly named cave drop is the deepest in the continental United States, almost matching the height of Seattle’s Space Needle.

A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.

Healing Springs that once ran red with soldiers' blood.