These ominous lava formations were said to be an entrance to the netherworld so of course they inspired a famous metal band.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

Walk in the footsteps of the gods and straddle two tectonic plates.

One of the oldest carousels in the United States is still running in the coastal village of Watch Hill.

The tennis legend used this racket while breaking the race barrier and becoming the first Black man to win the US Open.

The place where Samuel "Slater the Traitor" brought the Industrial Revolution to America.

The second oldest Jewish graveyard in the U.S. is tiny, with connections to George Washington and Henry Wadsworth Longfellow.

Oldest synagogue in the United States.

A 60-room castle constructed by a horse-racing heir.

This lighthouse was witness to the end of WWII hostilities and now collects creepy cairns.

The oldest still-operating tavern in the United States was once owned by a pirate.

A beautiful Gilded Age hotel in the White Mountains with surprising diplomatic history.

This location of a Mexican chain restaurant has a unique location: an old jail.

The 92-foot-tall structure is based on the aircraft that carried the first Americans into space.

The Old Man of the Mountain’s less-famous, but still beloved little brother is said to resemble a leader of the Abenaki tribe.

This legendary city has been a tourist attraction for centuries.

Legend says this sacred tree was a gift from goddess Athena.

The patch of land below the memorial was gifted by the British to the United States.

Public water fountains built during the Ottoman Era still stand throughout this seaside town.

Located in Faneuil Hall, the headquarters of the Ancient and Honorable Artillery Company of Massachusetts has stood the test of time.

This riverfront statue honors the inventor of the first video games ever sold.

One of the world's largest model railroads is a mind-boggling achievement.

Why have you never heard of the second most popular tourist site in New York?

Look closely and you’ll notice that the color changes a third of the way up the tower.