In 1912, a broken section of the reservoir wall released millions of gallons of water and destroyed many homes downhill.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

The alley connecting two of country music’s most historic venues has a rich history of its own.

The grave of America's 11th president is not in some grand monument but instead it's hidden away on the grounds of the Tennessee Capital.

The grave of the 19th-century sea captain who coined the phrase "Old Glory" can be found in this quiet cemetery.

An abandoned theme park with a strange and tumultuous past.

A unique home built by Andrew Jackson Caldwell that also served as a military hospital.

This park contains one of the largest concentrations of cedar glades, a unique and rare ecosystem.

The first rural cemetery west of the Mississippi is home to the elaborate tombs of St. Louis' local beer barons.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

The first full-scale tunnel built in America is short but scenic.

This defunct, fortress-like prison has been the setting for several movies.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

A bizarre house filled with an astounding array of collections.

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

A late sculptor's last project was to turn this abandoned cement factory into a castle-themed amusement park.

Less a museum than a bizarre fantasy world created by artists and engineers.

An amazing collection of sculptures and art.

Tirelessly maintained by a Wisconsin man named JFK.

This rare vessel mixed luxury with labor before being converted to a museum and sometimes haunted maze.

The watery grave of an impractical idea.

Home to part of the world’s largest private collection of original manuscripts and documents.

This posh mansion began as a family's estate and ended as the site of a murder ripped from the pages of a pulp novel.

A haunting army of decomposing, moss-covered stuffed animals and dolls guard this swinging truss.