Places Edited by Eric Grundhauser

This old Estonian mine has been kept like a sprawling time capsule of the local shale industry.

The house where John Wilkes Booth conspired with his co-conspirators.

The highest peak in Northern Ireland is topped with a stone tower and haunting burial mounds.

For just a few bucks, this Iowa funicular will let you feel like an 1800s fat cat.

Visit this small Mexican church to pray to a mushroom that is supposedly marked with the image of Christ.

The world's largest radiation field is probably our best bet for irradiated vegetable superheroes.

The site of America's first commercial oil well essentially disappeared after the town went bust.

This Pennsylvania cave holds evidence of the oldest known inhabitants of North America.

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

A jaw-dropping "megalibrary" that turns book-browsing into a geometric adventure.

One of the only Florida forts to remain in the hands of the Union all through the Civil War still stands as a historic stronghold.

This giant radio telescope would be a rusting ruin if it hadn't become such a beloved relic.

This 12,000 year old Iranian cave village has been continuously inhabited for over 3,000 years.

Tour the luxe "glass cage" that inspired and unnerved the architecture world upon its debut.

High atop a Mexican rainforest mountain, this ancient pyramid once drew pilgrims countries away.

This detailed miniature model covers all aspects of life in a small Mexican village.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

This mountaintop observatory is home to one of the world's largest reflective telescopes.

This Balinese sea temple is thought to be guarded by the hundreds of monkeys that live around it.

A hollowed-out baobab that became the horrific final resting place of leprosy sufferers, with gruesome evidence to prove it.

A trio of red, white, and blue stones embedded in the streets of Leiden are markers of medieval territory and law.

This abandoned airplane hanger is said to have once been a top secret launch facility.

The remains of the furnace and iron works that produced the massive Hudson River Chain still stand in the woods of New York.

A collection of fading fantasy tchotchkes lines this dirt road in the Colorado wilderness.