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

A derelict bit of transportation infrastructure hidden in the woods.

The most accurate timepiece in the world.

The United States Capitol's former columns still stand.

Largest Roman Catholic church in North America.

The only Civil War battle in Washington D.C. took place near this highest natural point in the city.

Washington's top-secret Cold War-era doomsday communications tower is located in a small neighborhood park.

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

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

There aren't too many operational funiculars around, but Pittsburgh has two!

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

A model of a dinosaur that was named for Andrew Carnegie stands outside the museum that also bears his name.

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

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

This steamer is known as "The ship that built Cleveland."

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.

These pretty kitties killed and ate as many as 135 railway workers.

Come for the speed, leave in love with the desert.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

A fitting attraction for the corn capital of the world.

A high school astronomy enthusiast designed this model of our solar system to be traversed on foot.