This “living museum” at UCLA exhibits thousands of plant species from all over the world.

What began with a single, 357-pound chunk of the Canyon Diablo meteorite grew to be an impressive collection. 

The illuminating collection of L.A. street lights is run by the city and only opens one day per month.

The beautiful 1920 Pantages Theatre remains hidden just underneath the LA Downtown Jewelry Exchange.

"The Hoppiest Place in the World" holds the world’s largest collection of bunny memorabilia and is a singular testament of a couple's devotion to all things Leporidae.

This 'Murder House' grand mansion has starred in everything from Bones to Buffy.

These century-old townhouses contain some of the first car garages built in the United States.

This recently uncovered ad for Lindsay's run at Mayor in 1965 had been hiding for decades underneath a billboard.

Come for the pastrami, stay for the million-dollar art.

The magic's in the hole!

A park in a small Pennsylvania town is home to an original sculpture by one of its native sons, legendary artist and activist Keith Haring.

An outlandish shoe shaped house built by an eccentric millionaire.

North America’s largest collection of horological devices and home to a colossal clock with a dizzying array of features.

The home of possibly the least-loved U.S. president stands as a sort of unpopular Monticello.

Don't get it twisted: This is the oldest pretzel bakery in the United States.

The oldest farmer's market in America is so ancient it was approved by the King of England.

In this cemetery stands the country's first public crematorium.

The first of Lancaster's "rural cemeteries."

This iconic Lancaster everyman has been reading the same story since 1980.

Huge masonic hall in Philadelphia with lavishly themed rooms.

A former plant in one of the hubs of U.S. steelmaking has been turned into this museum celebrating the history of American industry.

American involvement in World War I officially ended in 1921 in New Jersey, three years late and thousands of miles from the battlefield.

This concrete ship has had four careers - World War I tanker, floating amusement park, fishing pier, and artificial reef.

A mysterious monument covered in a binary code marks the heart of tech.