World's second largest particle accelerator, where nature reveals its secrets.

A sprawling outdoor museum filled with larger-than-life works of art.

Symbolic attempt to overcome the issues of life.

A tradition unlike any other, this marks the site of the annual Groundhog's Day tradition.

See where Bill Murray kidnapped a hapless Punxsutawney Phil.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

An Irish Memorial commemorating those who perished due to potato blight.

Believed to be the birthplace of the United States Marine Corps.

Alexander Hamilton’s creation caused quite a bit of controversy.

Instruments, apparatus, and rare books all relating to chemistry and its related sciences.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

In the early 1800s, surgery was also a show.

A curious building honoring past and current members of a historic musical comedy troupe.

This beloved marketplace mascot poops money and grants good luck.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

Huge masonic hall in Philadelphia with lavishly themed rooms.

A pink cottage covered in hearts served as a haven and a resting place for LGBTQ activists.

An artist weaves "wooden quilts" with scraps salvaged from his Katrina-damaged home in Tremé.

A museum and shop on Bourbon Street located in the French Quarter.

Once the site of a Native American harvest festival, this humble clearing later played an invaluable role in the birth of jazz.

Tiny historical streetcars wind through a small scale version of Crescent City in this whimsical train garden.

A snapshot of the city's fascinating voodoo culture.

This industrial area was the dumping ground for massive amounts of trash, some of which washes up as tiny bits of sea glass.

This unusual lava tube spouts seawater during high surf.