Millions of numbers carved in glass represent the tattoos forced upon victims.

The world's largest rotating world.

This massive solar system model is sprawled out across Maine's suburban wilderness.

A monument marks the beginning of the longest north-south road in the United States.

The second-oldest garden cemetery in the U.S. was also a college brainstorm spot of Stephen King.

This handsome giant is said to mark the birthplace of the mythical woodsman and even had a cameo in a Stephen King novel.

The eccentric mansion of one the most popular horror authors of modern times.

These light, hollow rolls have been linked to Acadia National Park since the 1890s.

A precariously balanced rock perches on the edge of a cliff created tens of thousands of years ago by glacial erosion.

The first bridge observation tower in the U.S. offers one of the best views of Maine.

This 19th century granite fortification is one of the most well preserved forts in New England.

The house and graveyard used in the Stephen King spine-chiller.

When the town wouldn't allow the fast-food behemoth to build a new restaurant, they put one inside an 1850 home.

This tiny patch of arid sand sits in one of the greenest states in the United States.

A serene plaza that commemorates one of the Granite State's most iconic figures.

Portugal's National Pantheon has a history of curses, collapses and financial problems.

An exquisite collection of fairytale conveyances that puts most car museums to shame.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

The world's oldest bookshop still in operation.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

"Portugal's Stonehenge" is made up of nut-like stones aligned with the heavens.