An artsy hidden staircase leads to breathtaking views of San Francisco.

A sealed test tube said to hold Thomas Edison's dying breath was given to the inventor's friend and mentee, Henry Ford.

An ever-evolving wall of graffiti art off East Liberty Street.

The only presidential monument to display a late POTUS's actual casket.

Deep scars on the earth left by the Ice Age.

These beautiful wineries were at the center of Lake Erie's "grape belt" back when the Midwest dominated American wine production.

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

The fossilized remains of ancient California redwoods.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

Once the most flame resistant building in the country, the South Carolina Historical Society building was almost burnt down in a fire.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

Cold war icon and onetime "hole" in the iron curtain.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

Amsterdam's Red Light District leaves little to the imagination.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.

A museum filled with tiny, adorable versions of the mighty Royal Danish Navy.

An 18th century wonder of the world, lost in WWII, re-created at the Catherine Palace.

The past, present, and future of Russia's signature alcohol is remembered in the world's only museum dedicated to the starchy spirit.

The oldest church in the Estonian capital is home to over 100 fantastical cemetery coats-of-arms.

The Guardian of Tallinn.

This stoic bronze soldier stands as a symbol of Russian sacrifice or Soviet oppression, or maybe both.

A giant gorilla made of used car tires used to sit sentinel over a Helsinki college campus.

An abstract monument to a symphonic composer.