Built hundreds of years ago this downtown iron barrier once protected a much despised king.

An abandoned asylum once on the cutting edge of lobotomies may be reborn as a Christian college.

The largest Buddha statue in the Western Hemisphere is just 50 miles north of NYC.

The oldest continuously inhabited street in America.

The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.

This mouldering abandoned mental hospital was once a center for progressive healing.

This sound-art installation features songs composed using only the Mid-Hudson Bridge as an instrument.

The National Park Service’s best-kept secret with views that rival any in D.C.

Beneath unsuspecting visitors feet, a capsule containing pieces of America’s civil rights history.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

At 207 feet, one of the world's longest continuous escalators.

This stately building in Alexandria, Virginia was built by Freemasons to honor one of their most famous members.

The narrowest house in America is seven feet of pure spite.

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

Once the supplier for noteworthy projects like the National Cathedral, this old brickworks now lies abandoned.

The Corinthian columns that towered over Abraham Lincoln’s inauguration stand proud.

This nine-story building can be played like an instrument.

In the middle of a busy airport, a statue honoring the astronaut who told Houston that Apollo 13 had a problem.

Happen to come across a dead eagle? Send it to America's official dead eagle warehouse.

Over 1.3 million confiscated wildlife products fill this macabre menagerie of illegal animal specimens.

It's easy to forget what century it is as you wander this rustic homestead.

This Chinese-style quartz sundial was saved in its final hour.

A small store filled with animal skulls and other curiosities.

In a dry, neglected cemetery lies the unassuming grave of a soldier vilified in life but celebrated in death.