A 12,000-year-old bog boasting rare plants and fauna.

This modern medieval weapon of war was built to toss pumpkins.

This historic mini-suspension bridge was swept away once but is now here to stay.

Stumps of an Ice Age forest, visible only at low tide.

This 150 foot seven-tiered cascading waterfall is one of the hidden gems of the White Mountains.

This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.

Tacoma’s 25-foot coffee pot music spot has served up over 80 years of concrete kitsch.

A decidedly out of place statue memorializes the Blues Brothers characters at this water bottling plant.

New England's tallest light house stands on an island with a history of cannibalism and death.

Lake Champlain Bridge, the recently demolished and rebuilt bridge where they filmed "What Lies Beneath".

A bygone village occupation lives on via this quaint public chalkboard.

This New England covered bridge is home to the tale of a jilted lover known to haunt the area.

A beautiful, creepy 19th-century castle stands incongruous in rural Vermont.

The Pentagon is so large that it was planned like a city, complete with internal highway infrastructure.

The controversial urban planner who designed Washington, D.C., was buried in Maryland, and can presently be found in Virginia.

A small Richmond island dotted with the remnants of hundreds of years of history.

A painfully obvious spy house sits right across the street from the Russian Embassy.

Go take a picture with the inventor of the daguerreotype photographic process.

Look closely and you’ll notice that the color changes a third of the way up the tower.

America's Most Wanted's set resides in this tribute to the history of crime and punishment.

An overlooked memorial honoring the local Washington residents who died in World War I.

Daredevil repair workers can worm their way out the access hatch, loop ropes over the apex and rappel down the monument.

A celebrity from the late Cretaceous period.

Decades before the scandal, this staircase on the river was a literal "water gate."