What was once the largest NFL stadium.

The multinational Burger King chain is banned from operating within 20 miles of a family restaurant filed under the same name.

The famous bell was secreted away and hidden in a church in Allentown during the British occupation of Philadelphia.

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

A single artist is behind these large-scale models made of hundreds of thousands of two-inch wooden matchsticks.

Along the Palisades skyline are the ruins of a large mansion built in 1911 and demolished in the 1930s.

The remains of a British railway rusting in the jungle mist of a Brazilian mountainside.

Bubbling up from deep underground is the warm crystal clear water that fills the Warm Springs Pools, America's oldest spa.

The monument's pointy aluminum tip has been melted down by repeated lightning strikes.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

This 16-foot, intricately detailed model of the Gearing-class destroyer has been called the most detailed model ship ever built.

America's only nuclear missile silo open to the public.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

Once housed in the towers of this Gothic church, this 17th century clock still ticks today.

This unique bridge physically lifts a piece of the road into the air to let boats pass by.

A nostalgic bibliographic gem.

"Congress may voluntarily remain in session throughout the summer, in order that our Congressmen may be protected from the intolerable discomforts and dangers of the ordinary outdoor weather!”

Need a hardcopy of the 50-title Code of Federal Regulations? This is the place.

Europe's largest natural bridge has a 19th century royal chateau built into its side.

Model Trains and Much More in Hamburg.

1898 German railroad depot museum with working engines, steam train excursions, and hands-on displays.

This painted Lego bridge is the product of over a century of locomotive history.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

A computer bug so primitive it was an actual insect.