A replica of where the Last Supper was held.

Settled in 1696, abandoned after the Revolutionary War.

This natural spring not only claims to heal the wounded but it has also been willed to God.

The oldest liquor store in the country is a model of resilience and mischief.

One of the oldest living oak trees in the Southeast.

The language and heritage of a nearly forgotten culture can still be explored in this Southern enclave.

A quirky Poe-themed joint on an island keen to celebrate its overlooked connection to the famous writer.

Oldest unrestored plantation house in America that is open to the public.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

This general store is more than a century old and home to various oddities and antiques.

A humble plaque marks the site where the country music legend was found dead in his Cadillac.

Time travel with sweets across history at this research-based candy store.

It would take 35 firetrucks to fill this enormous glacial pothole.

An abandoned stretch of highway, deteriorating next to the operational one.

A retrofuturistic art installation in the Pittsburgh Airport.

For decades, it has disappeared and reappeared as water levels rise and fall.

This Philly landmark has a giant butterfly pavilion, three floors of insect displays, and withstood a $40,000 heist.

A crumbling hospital from the 1850s on Roosevelt Island.

An abandoned, rusty old relic of railroad history stands at attention over the Cuyahoga River.

A mysterious and terrifying public art goblin seemingly meant to inspire local legend.

The world's longest known cave system.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

Two insane asylum bodies embalmed by an amateur.

The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.