Ancient serpentine sacrifice holder that has stood the test of time.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

Go inside to really appreciate this 500-year-old technological masterpiece.

The world's northernmost aquarium looks like it has fallen over.

The great polar explorer is remembered in this far northern town, where he embarked on his final expedition.

This functioning parish church is also the site of many concert performances due to its wonderful acoustics.

Public outcry led to this bridge's unique character which celebrates a giant frog battle and also sewing.

The Cape Cod house that whaling built.

This abandoned radar station from the Cold War era now only broadcasts a seriously ominous air of isolation.

A former poultry store that looks like a giant duck and is one of the "seven wonders" of Long Island.

This Rhode Island mansion was a stand-in for the exteriors of Collinwood in the original "Dark Shadows" series.

Mysterious stone tower featured in many alternative histories of the New World.

Ironically this massive termite is the mascot for a company that is acclaimed for killing his kind.

The bears may be gone, but their old cages can still be found.

The often-overlooked ruins of one of the first buildings designed by famous landscape architect Frederick Olmsted.

This supermarket is suspended 25 feet above an interstate highway.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

This headstone marks the grave of an 11-year-old boy killed during clashes in the streets over the boycotting of British goods.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.

A men’s restroom became a sandwich shop.

Statue commemorating the use of ether in anesthesia.