This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

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

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

Mysterious 500-year-old tapestries depict a unicorn hunt.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

One of only two commuter aerial tramways in the United States.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

A crumbling hospital from the 1850s on Roosevelt Island.

The only Civil War battle in Washington D.C. took place near this highest natural point in the city.

The site of the climactic scene from the classic horror film is now a historic landmark.

Peace Park and the Atomic Bomb Dome.

A plaque marks the site directly below the mid-air detonation of the atomic bomb over Hiroshima.

A Japanese corporation has turned this small island town into living modern art gallery.

Giant sand sculptures of famous people and places are on display near the Tottori sand dunes.

A remote and slightly overgrown park filled with replicas of world landmarks.

A 59-ft. robot statue looks over the citizens of earthquake-ravaged Kobe.

Closed for decades, this strange symbol of Japan's Expo '70 has finally opened its psychedelic insides to the public.

This massive wooden building contains a giant Buddha, healing pillars, and tame deer wandering the grounds.

Devoted Buddhists can earn enlightenment in the next life by crawling through this symbolic nostril.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

The quintessential Japanese rock garden has existed for more than 500 years.