Originally built as a promotional giveaway, this suburban house was designed to be an IRL version of the Simpson home.

When this test site was abandoned, they didn't even bother to take the rocket with them.

The sign at the garden gate reads: "These Plants Can Kill."

A mysterious stone embedded at the base of a historic Boston building.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

The television series' iconic giant foot was borrowed from this classical painting.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

The final resting place of the famed German pilot, the "Red Baron."

The remains of three Luftwaffe launch pads designed for manned anti-aircraft missiles.

A rare water-powered funicular, it uses a huge tank of water and gravity to do its work.

This old wooden funicular railway leads to a cemetery in the forest.

A fearsome dragon clings to a corner of Munich's city hall.

The footprint of a frustrated devil in Munich's Cathedral.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

A tiny nondenominational church harkens back to the days of the first homesteaders in the region.

An unexpected Easter egg lurks in the background of a cherub wall relief at the Breakers mansion.

The poems Nathaniel Hawthorne and his wife Sophia etched into its windows are still visible today.

This tower pays homage to a legendary Viking fort established in Massachusetts that never really existed.

Sit where JFK proposed to Jackie or where Nixon dined on meatloaf at this storied pub.

A single light illuminates one man's overshadowed contributions to street lamp history.

This headstone marks the grave of an 11-year-old boy killed during clashes in the streets over the boycotting of British goods.

This historic patch of real estate offers a glimpse of colonial Boston.

While comics are the main attraction at this megastore, the second floor plays host to an exhibit fit for a museum.

The remains of a World War II-era Japanese American internment camp dot a windswept Colorado hill.