The Ranger’s House exhibits fine mementos collected by Sir Julius Werner during the course of his life, including this infamous pendant.

A museum commemorating the Donora Smog, which killed 20 people in October 1948 and sparked national outrage over air pollution.

A historic hill of tall tales, with one rather special tree.

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

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

Climbing this abandoned railway leads to breathtaking vistas of O‘ahu.

These Benedictine nuns have been making artisanal cheeses since before it was cool.

This high-perched pachyderm marks the memory of not one, but two elephants gunned down in small New England towns.

New Preston and Kent, Connecticut - where Friday the 13th, Part 2 was filmed.

This isolated community does not want you to visit.

A castle inspired by medieval architecture is hidden in the woods of Connecticut.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

The façade of this building looks like a bingo board, but it's really a giant clock by a famed graphic designer.

More gold than anywhere else, ever.

Unrepaired walls from a 1920 anarchist bomb attack.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

A plaque on the side of a parking garage marks the burial place of a great Ottawa chief.

This curious headstone is labeled simply as "The Queen."

A piece of John the Baptist in the American heartland.

A small museum dedicated to the whimsical tool that turns sugar cookies into works of art.

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

America's smallest national park site is the former residence of exiled Polish national hero Thaddeus Kosciuszko.

A historic town sits upon the site of a long-lost 18th-century trading community.

The first partially complete dinosaur skeleton was discovered here, forever changing the world's view of the ruling reptiles.