Two hundred tons of pioneer artifacts were painstakingly recovered from a shipwreck at the bottom of the Missouri River.

A regular looking rock with an unbelievable history.

Underneath this small church are 15,000 bones, arranged by an obsessive academic.

The final resting place of New Orleans' most famous voodoo priestess.

Museum of science fiction, utopias, and extraordinary journeys of the mind.

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

This experimental utopian "city of the future" in rural India may hold a dark secret.

Coastal dunes, site of buried Egyptian movie set and former utopian colony.

This sword isn't waiting for a king to pull it out. It was placed there by a saint.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

Spirits from these lakes are said to produce the local weather and odd phenomena as they bicker between themselves.

Narrowest house in Boston.

One man's swirling six-acre monument of stone.

An isolated dive site teeming with cnidarians.

Off-limits and full of venomous pit vipers, Brazil’s Snake Island has a frighteningly apt nickname.

An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

A massive underwater sinkhole made famous by Jacques Cousteau.

A beautiful, dense forest in the shadow of Mount Fuji, with a tragic reputation.

Left untouched since a double murder-suicide in the 1960s, Los Feliz murder mansion remains a neighborhood mystery.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

Meet the world's longest tapeworm in a collection that really gets under your skin.

A Buddhist temple to honor insects that died for science.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.