Perhaps the most scandalous statue of America's first president.

It was once the base for a series of domestic terror attacks.

A three-story tower of books about Abraham Lincoln is one of the more unusual monuments to the president.

Light bulbs, scrap wood, and tinfoil comprise this homemade throne of the gods.

This lakeside tower is the third attempt at getting a tourist destination to stick on the spot.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

This local gem houses the largest collection of pre-Raphaelite paintings outside of the U.K.

This historic train station has been converted to a locomotive themed hotel.

Five candy-colored villages on the Italian Riviera.

The rustic cabin-like decor of this Arts and Crafts-style church reflects the love of nature central to its little-known theology.

A closed London rail station created to cart away the dead still bears the marks of attempts to make it less morbid.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

Former headquarters of the KGB.

An obelisk commemorating Lincoln's role in connecting the coasts.

The site of the one of the most deadly train wrecks in American history.

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

Fittingly, America's museum of architecture is itself a magnificently designed old building.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

The U.S. Supreme Court's secret Cold War relocation facility in the mountains of North Carolina.

This fort down the Potomac from Washington, D.C. was once the only defensive fort protecting the capital.

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

The Dover International Speedway is home to a towering, concrete-skinned, racecar-hungry behemoth.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.