Where the lovelorn find a home for their sentimental keepsakes.

A Maori village obliterated by an 1886 volcanic eruption.

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

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

A 14th century bridge built as a fortress, where the devil lurks on one of its towers.

Natural history museum displaying a famous taxidermied St. Bernard.

One of the largest, oldest, darkest, quietest motel rooms in the world.

Community bookshelf of 25-foot-tall book spines.

Home of the International Space Hall of Fame.

A bunker "with enough U.S. currency to replenish the cash supply east of the Mississippi" in the event of nuclear war now protects nitrate film.

Electrical curiosity museum housed in an old transformer station.

A busy cafe better known for board games than food.

Seasonal, Pacific Northwest cuisine served in a 101 year old firehouse.

Offering an enjoyable alternative to the standard hellacious post office trip.

A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.

One of the world's largest Tesla coils.

Display that gathers the basic elements of the universe in one convenient location.

38-story baroque tower reflecting Detroit's rise, fall, and possible rise again.

A wonder of natural limestone formations etched by millions of years of natural interaction between rainfall and rock and air.

Secluded amid upstate New York’s Adirondack Mountains lies this subterranean emblem of a nation on the brink of nuclear war. And it's for sale.

Hidden beneath the streets of London is a secret subway that only carried mail.

World's only nuclear reactor operated by liberal arts undergraduates.

Canada's subterranean Cold War museum has doubled as a movie set.

A historic observatory precariously perched at the "Top of Europe."