An old vending machine serves up unpredictable beverages from its seemingly magical insides.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

A vertically floating hemlock controls the waves and weather at Crater Lake.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

On the Oregon coast there is a natural hole that seems to be draining the sea.

A massive sea stack famous for its appearance in The Goonies.

A Roman-style column in Oregon hides a spiral staircase inside.

This former coal gasification plant found a curious second life as a popular public park.

A giant Troll lurks under one of Seattle's oldest bridges.

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

A wall of chewing gum moonlights as collective art.

This staircase in a lush tropical grotto was built by enslaved laborers and renamed to honor Queen Victoria's role in ending slavery in the British Empire.

Once a strategically imperative naval base, portions of this Bermuda dock complex now serve cruise ships.

Storms, funding, and in-fighting have kept this Bermuda church from ever being completed.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

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

The prototype for all Nazi concentration camps.

Walk inside a half mile long crevice right outside the town of Garmisch Partenkirchen.

This grisly effigy displays an early Christian martyr who was skinned alive and beheaded.

The ancient latrines of the Greeks, in all their public glory.