The trials and tribulations of marking Poe’s grave.

A monument first built to honor Confederate soldiers now honors their Union opponents.

The site of one of the deadliest skirmishes during the Battle of Fredricksburg.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

The taxidermy remains of the most popular pony in children's literature.

Herbert Hoover's "Brown House" rural presidential retreat was a PR disaster amid the start of the Great Depression.

Inspired by a foil-wrapped potato, (seriously) the Markel Building has been deemed one of the 10 ugliest buildings in the world.

Half of a waterfall goes into the river while the other half seems to disappear.

Started as a kitchen garden, now the second largest botanical garden in the world.

Rebuilt remains of a temple to Roman god Mithras.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

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

This bright yellow building is packed with sweet treats from all around the world, from chocolate-covered crickets to whoopie pies.

A fitting attraction for the corn capital of the world.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

Just a man taking his prehistoric pet for a stroll.

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

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

Giant busts of 42 U.S. presidents sit, crumbling in a field in Virginia.

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

A home that witnessed Civil War combat on the Sunken Road has the battle scars to prove it.

The Kirkland Monument remembers a selfless Civil War hero who braved the battlefield to give water to his dying enemies.

These unusual rooms on wheels are holdovers from the 1960s.

This coffee shop lies hidden beneath a historic church.