A red sandstone freestanding monolith rises out of the sea in northern Scotland.

Looking strangely like Rome's Colosseum, this unfinished tower has dominated the skyline for over 100 years.

A labyrinthine network of chambers with a storied past hides below Edinburgh's South Bridge.

Overlooking the burial ground is a tower designed to prevent thieves from snatching the recently deceased.

The building where Mary, Queen of Scots was said to have bathed in white wine.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

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

Possibly the oldest of Britain's ancient henges is also one of its most stark.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

One kilometer of thick brass rod laid out before your eyes.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

The medieval fortress of Prince Lazar of Serbia is now an archaeological park.

Outside the Missouri Quilt Museum, this large spool has more than one million yards of thread—and counting.

The notorious couple camped at this site after a bloody shootout with police.

A four story, football field-sized, nine-grotto creation made of shells, minerals, and rare stones.

A giant pair of thick black glasses mark the tragic demise of a trio of rock and roll legends.

This century-old independent movie theater with an iconic Art Deco neon sign survived a devastating fire in 2016.

A little slice of Florida face-in-a-hole kitsch, unexpectedly located in a small New Mexico town.

This secret gem of a toy store houses a rideable carousel populated with fantasy animals.

Dakota legend claims this locally iconic pinnacle was once part of a sacred burial site that was cleaved in two.

Hidden in magnificent rolling countryside, see what may be the largest modern stone circle in the world at Wisconsin's very own "Stonehenge”

Try not to get slimed in Tribeca.

Imagine having a street run right through your home, or better yet, a historic bridge three stories high.