Collecting 700 years of mechanical death-dealing, the NRA's sprawling gun museum is a revealing testament to the American obsession with armament.

Brain collection and database that narrows the gap between man and animal.

Life-size bronzes of the Grinch, Cat in the Hat, Yertle the Turtle, Sam-I-Am, and the Lorax—and the author himself.

Final resting place of two dozen New York City harbor ships.

Failed state-supported institution meant to rehabilitate students with intellectual disabilities.

This empty Victorian manse on Staten Island is said to be haunted but is actually a real life crime scene.

Eccentric stone cairns built on a public New York City beach.

World Trade Center memorial likened to a woman's sexual organ.

Once America's longest-manned military fort, now an abandoned hulk.

A town trapped in time - 1958 to be exact.

A double agent hid information for the Soviet Union beneath this bridge for more than 20 years.

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

One tiny triangular park commemorates the victims of a yellow fever epidemic—many of whom are buried right below the grass.

This statue is dedicated to Grace Sherwood, the last person in Virginia to be convicted of being a witch.

The world's oldest continuously operating airport was founded by the Wright Brothers.

In addition to fine dairy products, the world's most beautiful milk shop also offers a feast for the eyes.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

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

The bridge's highly-contested plaque (once again) honors Confederate President Jefferson Davis.

The 28-foot granite map plots the locations of 40 theaters in New York City.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

A sculpture of the iconic East German car on four legs is a tribute to those who traveled to Prague seeking asylum.

"Congress may voluntarily remain in session throughout the summer, in order that our Congressmen may be protected from the intolerable discomforts and dangers of the ordinary outdoor weather!”

This fort down the Potomac from Washington, D.C. was once the only defensive fort protecting the capital.