Here lies Lilly E. Gray, an alleged "victim of the beast," but the reason long remained a mystery.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

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

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

The remains of a former logging boom town, crumbled away in the forest.

A whimsical village of unique treehouses resides in a Washington forest.

This unique library spans a mighty river.

A flamboyantly decorated bridge signals diversity and fellowship at the entry to Indianapolis' Broad Ripple Village.

The body of one of the world's most famous outlaws is covered in cement and iron to prevent it from being stolen.

A museum dedicated to man's boldest venture.

A Victorian mansion, painstakingly reproduced to appear just as the the Munster's family home did on TV.

"Dallas’s pretty much only carnivorous plant gallery."

All that remains of this small town is its mass grave and a myth of a voodoo priestess who predicted its demise.

A swamp and garden tour featuring local wildlife and exotic botanical specimens from around the world.

A decaying concrete oil tanker served as a disposal location for bootleg hootch.

This abandoned building made of petrified wood was once a hotspot for buying moonshine.

This simple badlands butte is the highest point in North Dakota and may be the only high point to charge admission.

Enjoy egg rolls and live music in a converted bank vault.

Eco-friendly island mansion.

The only depiction of Abraham Lincoln holding a weapon, and the names of all 9,000 Cuyahoga veterans of the Civil War.

The restaurant keeps a hidden séance room on the second floor and reserves a table for the spirit of the former owner each night.

Alongside this Memphis trail are several sculptures that show trail-goers how to relax.

Home to drunken tower-climbing goats... seriously.

This head-spinningly bizarre Depression-era art cave is wall-to-wall quartz and Jesus.