Although built to generate electricity for Marylanders, this dam has become an all-you-can-eat buffet for American bald eagles.

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

This bridge was constructed from the remains of the first Ferris wheel.

These 11,000-year-old mounds may be the oldest known human-made structures in the Americas.

The LSU mascot lived on the college campus in one of the most impressive tiger habitats in the country.

A 19th-century Gothic, castle-like statehouse by the Mississippi River.

Art Deco stylings conceal the true nature of this bridge.

This unusual three-way wooden foot bridge spans two rivers at once.

Texas’s first suspension bridge is still carrying people across the Brazos.

This stone bridge is all that remains of a submerged New Jersey town.

A genuine Tudor manor transported piece by piece from England.

The second oldest and longest of Delaware's three covered bridges.

The smallest and oldest covered bridge in Delaware.

A real (but thankfully not live) missile stands tall as a monument to the United States military in the small town of Cordele.

Every year model trains zip through a miniature New York City that's now 150 landmarks strong.

The absurd creation is a compulsory destination for selfies in Buffalo.

This covered bridge was used by both Union and Confederate troops during the Battle of Gettysburg in 1863.

The lasting remains of the region's once booming cement industry.

Frank Lloyd Wright’s most iconic home dangles over a Pennsylvania waterfall.

This sandstone gorge in New York State's Adirondack Mountains is home to waterfalls, flumes, and more.

The longest-covered bridge in the state of Maryland.

The elevator hidden in a smokestack on Roosevelt's yacht now serves as a monument to the former president.

Memorial built in 1922 in remembrance of WWI casualties.

What remains of the simple red brick chapel where the women's rights movement began.