Hundreds of lucky felines haunt the ruins where Caesar was murdered.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

The southernmost outpost of the Russian Empire in colonial America.

This wooded grove of beautiful hand-built stone grottos is a hidden gem within a shuttered Franciscan monastery.

This 19th century brick building in Brooklyn stands out like the anachronistic landmark that it is.

This once-private estate is now a dreamy, meditative garden that's open to the public.

Derelict buildings are all that remain of a complex at the site of one of the worst mining disasters in Montana history.

This funeral home had the honor, if that is the correct word, of hosting the funeral of the famous Sacco and Vanzetti.

An ornate Art Deco tile mosaic representing Nebraskan life, both modern and prehistoric.

One of the best examples of Art Deco architecture in the United States.

One of the last of the great 1920s movie palaces is a Floridian Greco-Spanish-Persian dreamscape.

A thriving Black community was destroyed by an angry white mob at this site in 1923.

A memorial to the unknown and unheralded men and women of the Cold War military and intelligence services.

Stone monument honoring a town founder has a witch-boot shaped stain and a curse to go with it.

These crumbling foundations are all that remain of the once-stately 1840s manor that gave the town of Bradenton its name.

One time home to turn of the century explosives, now hidden under the Bay Bridge.

Open-air cremations in Colorado's self-proclaimed spiritual mecca.

Hear, smell, see, taste, and touch history at this immersive Civil War hospital.

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

A forgotten Cold War relic hidden in the outskirts of a Wisconsin city.

New York City's only wildlife rehabilitation center treats more than 3,000 feathered and furry patients each year.

This Cold War missile launch site has been abandoned for 40 years.

This small stone chapel is a hidden gem just outside the University of New Hampshire campus.

How did the right arm of a 13th-century English bishop wind up in a Connecticut church?