This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

An abandoned network of military bunkers and tunnels open for anyone willing to descend into the darkness.

The site where Michigan launched its first rocket into space lies abandoned in the dense woods along Lake Superior.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

Ancient human, animal, and geometric figures drawn in the earth.

The site of one of Japan's very few American occupations during World War II still holds the relics of a roundly disastrous campaign.

A tiny museum in Esperance, Australia, displays a bunch of space debris from NASA’s Skylab.

Manchester salvaged this sculpture of the adopted Mancunian when it was no longer wanted in Ukraine.

The Cuban revolutionary looks over the country from its highest peak.

This imposing memorial contains the remains of Che Guevara — and 29 other guerrillas who died with him in Bolivia.

A bronze sculpture of Lenin’s likeness outside Havana surrounded by 12 human figures in solidarity with the Bolshevik Revolution.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

Antarctica's bustling metropolis, originally established by Richard E. Byrd.

Climb the dead electric pylons of Messina.

This historic recreationist school churns out warriors that may very well have had a fighting chance in Rome's pits of the day.

Italian poet Dante Alighieri is entombed in this small mausoleum in Ravenna, and his hometown of Florence has never been too happy about it.

Europe’s oldest natural human mummy.

Medieval town turned hippie commune, once home to the secret foreskin of Jesus Christ.

An Italian hillside ghost town.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

Home to a protest movement, a bombing, and a dramatic change in labor history.

A micro-communist utopia in Spain with no police, no mortgages and full employment.