The "first cat," "first dog," and even a presidential pygmy hippo all get their due in this museum.

This unique historical monument features large concrete spheres designed to resemble fallen stars.

A cement mixer-turned-kaleidoscope in downtown Norfolk offers different views of the city.

The flower-shaped temple in Virginia aims to transcend the boundaries of the world’s religions.

The only recreation of William Shakespeare's indoor playhouse.

The skeletal white beams stand as a monument to religious dissent.

A railroad tunnel that, upon its completion, was considered one of the engineering marvels of the modern world.

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

Outsider art meets paleontology at this roadside reptile repository.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

A 300-yard long natural tunnel runs through a ridge deep in the Appalachian Mountains.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

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

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

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

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

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

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

The span is crooked and made from two older recycled bridges.

A secretive collection featuring objects that were designed specifically for U.S. intelligence operations.

This Virginia railway overpass is said to be haunted by a serial killer in a rabbit costume.

Exact replica of the ancient monument, but much, much lighter.