This building at the south end of the boardwalk was once home to the U.S. Life-Saving Service and the U.S. Coast Guard before being rescued itself.

This monumental sculpture that welcomes visitors to Bethany Beach is a tribute to a regional Nanticoke Indian Tribe leader.

This campus museum commemorates a national tragedy.

Memorials and tributes scattered across the university grounds remember a famous national tragedy of the Nixon era.

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

A Gothic gym and community space that encourages fitness for misfits.

One man's real life disfigurement inspired a lasting local legend surrounding an eerie tunnel.

The graveyard holding the remains of George Washington's slaves was forgotten for nearly 200 years.

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

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

A tiny piece of the Moon is embedded in this stained glass masterpiece.

A nostalgic bibliographic gem.

One of the three perfect vellum copies of this historic book known to exist is on display in a specially-designed case.

The sculptor was instructed to add “stallion attributes” to the general's bronze mare.

This grand gothic brewery has been pumping out suds for over a hundred years.

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

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

This robust fence in front of a historic Georgetown home is likely made from hundreds of recycled Revolutionary War firearms.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

The oldest continuously operating fish market in the United States.

A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

This picturesque stream was up until recently the site of a ten story mountain of slag and sewage.

The only structure left with direct ties to the Salem witchcraft trials of 1692.