The overgrown remains of one of the premier auto-racing speedways in the Midwest—and also one of the most deadly.

Hidden in the hills of Western Pennsylvania lies one of the best-kept ghost towns in America that you can legally visit.

This lakeside tower is the third attempt at getting a tourist destination to stick on the spot.

This historic furnace was once used to produce cannonballs during the Civil War.

In the middle of a New England forest sit the crumbling ruins of World War II-era ammunition storage bunkers.

The United States' oldest Episcopal church still in active use.

An abandoned munitions storage facility with a rich architectural history.

Constructed in 1882, this jail once housed local inmates and the sheriff's family all under one roof.

A once-booming railroad left abandoned next to the Quinnipiac River marshes now intersects with a hiking trail.

This forlorn park is the result of a failed investment turned tax dodge.

See the nearly two-century-old ruins of pre-railroad America at the former site of a lock on the Ohio and Erie Canal.

A monument marks the location of the first successful steamboat demonstration.

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

Connecticut's shot tower is near the end of its life.

The only Frank Lloyd Wright-designed structure in the architect's hometown.

Local legend says that someone is buried in the trunk.

This small road tunnel is the only place where you can cross beneath the Erie Canal.

Amazing views of Long Island Sound can be seen from this mountaintop tower.

Whimsical cookie-themed plaques mark the birthplace of the Fig Newton.

This massive sycamore tree has been labeled as one of the largest in the state.

The original Garfield station is the oldest station facility on the "L", with the station house dating from 1892.

Failed state-supported institution meant to rehabilitate students with intellectual disabilities.

A whimsical monument deep in this park commemorates the groups that helped build it.

Standing for over 200 years, the abandoned home of a Revolutionary War hero and later a succession of prison superintendents.