Sacred Indian temple that’s all monkey business.

Thousands of narrow alleyways in an ancient medieval city make up what's believed to be the world's largest car-free urban zone.

The largest known Ancient Egyptian obelisk.

Ozymandias’ time-keeping temple.

This statue inspired by Renoir's famous painting embodies the jovial spirit of Key West.

A historic presidential getaway on the continental United States' southernmost island.

An idyllic swimming pool tells the tale of Hemingway's trouble with women.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A monument celebrating the idea of reaching inaccessible places.

"We Seceded Where Others Failed."

The unbelievably opulent home built for an infamous newspaperman.

This working class sculpture pounds his hammer all the livelong day.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

A little-known subterranean street runs under some of the best-known buildings in Chicago's River North.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

A display of magnificent stained glass windows is the first exhibit of its kind.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

This blowhole is supposedly caused by a trapped monster.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.