Pillars made of 700 pieces of luggage climb to the ceiling of Sacramento Airport's baggage claim.

The capitol city's oldest existing cemetery.

I Street Bridge is the heaviest swinging center bridge in the United States.

This 15-story mural celebrates the 50th anniversary of the musician's iconic "At Folsom Prison" album.

One of the largest artillery pieces in the world sits in a Washington D.C. parking lot.

This massive railroad spike celebrates the 1939 premiere of the movie “Union Pacific.”

The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.

These 18th-century paintings of Warsaw were used to reconstruct the city after World War II.

The sumptuous ceiling was one of the last things Charles I saw before his execution.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

An antique narrow gauge railway line still running through the Colorado and New Mexico mountains.

Homemade rockets, dinosaurs, and robots make this New York small business much more than a furniture store.

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.