On the Oregon coast is a natural hole that seems to be draining the sea.

The New England cabin where an infamous British occultist conducted experiments in "magick".

A freighter full of exotic animals ends a harrowing voyage impaled on uncharted rocks in the Boston Harbor.

The last remaining 19th-century tenement from Boston's old West End neighborhood.

Beautiful steampunk ghosts of early Massachusetts.

This historic patch of real estate offers a glimpse of colonial Boston.

More than 2,000 species of tropical plants call this nature preserve and sanctuary home.

The air force base preserves its scars from the Japanese attack on Pearl Harbor.

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

This museum of Hawaiian and Polynesian culture is the legacy of the last descendant of the Kamehameha Dynasty.

What remains of the summer palace of King Kamehameha III.

Race through the maze, get your name on the sign.

A medieval device used to punish and shame wrongdoers still hangs outside the village church.

This mountain is one of the largest in Scotland but is better known for its hollow insides.

Nestled among the living residents is the final resting place of an apothecary plague victim.

This 16th-century close preserves an unusual piece of Edinburgh's transportation history.

This eclectic sanctuary is a hodgepodge of various architectural styles, all crammed into one building.

This stack of stones honors a murdered 18th-century woman.

An icon of the Battle of Britain is frozen in flight in a grand Victorian museum.

This alley off Edinburgh's Royal Mile contains remnants of the city's seedier history.

Anonymously sculpted and donated, these sculptures made from poetry books and pages are sprinkled around the city.

This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.

A beautiful Greco-Roman structure houses a well once believed to have healing powers.

A six-ton wedding present for the King of the Scots.