This Boeing KC-97 tanker is now a restaurant for aviation lovers.

This historic little railroad runs through some of the most beautiful scenery in Germany.

This magnificent abandoned hotel has long been haunted by its Nazi past.

One of the Cemestos prefab homes built to secretly house thousands of Manhattan Project workers.

This English medieval castle is where King John died of dysentery.

This restaurant was removed from the famed sister ship of the Titanic and placed within a hotel.

The abandoned remains of a once popular zoo, and the grave of the last known Tasmanian Tiger.

An abandoned car and strange wooden debris are among the scattered remains of the old sand and gravel quarry.

Meant to be a lavish presidential home, the palace became a symbol of the fall of South Vietnam.

A somber memorial at the site where hundreds of prisoners and civilians were executed in the aftermath of World War II.

The site of an underground detonation of a megaton nuclear bomb in the middle of the Mojave Desert.

An obelisk marks the spot where a British explorer's heart was buried before the rest of his body was transported to England.

A memorial in the middle of a roundabout marks the spot where German forces formally surrendered, finally ending World War I in Africa.

The home of possibly the least-loved U.S. president stands as a sort of unpopular Monticello.

A stone memorial marks the spot where the fighting of World War I finally ceased—three days after the armistice was signed in Europe.

The remains of the worst military aviation accident in Canada's history.

This off-the-beaten-path abandoned town is a relic of Montana's silver mining boom.

A historic Civil War estate-turned-museum looks back on the Confederate States of America.

This large torch on the Hove coastline helped Sir Francis Drake defend England from the Spanish fleet.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

Paleoamericans built these ancient walls high in the Colorado Rockies as part of an extensive hunting system.

Where a guard killed nine German prisoners during one of the worst 20th-century POW camp massacres in U.S. history.

An ancient octagonal weather station named for the eight Greek gods of wind.

French prisoners carved these boats from the bones of their meat rations.