This lake-bound geographical marker sits at the point where three European countries intersect.

Manhattan and the Bronx have been playing tug-of-war over this former island neighborhood for more than a century.

The last inhabitants of one of the U.K.'s most remote islands were evacuated in 1930.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

Site of an escape, ten murders, and some scalpings.

A stretch of New Hampshire lake water is the only ice runway in the lower 48 states that is FAA-approved.

A historic custom house with ties to George Washington is now a shrine to local nautical history.

Murder scene memorialized in perpetuity by grisly obelisk.

A defunct all-girls college which may be the resting place of H.P. Lovecraft's real-life Necronomicon.

America's oldest archaeological site or a muddled case of wishful thinking.

The site of Paul Revere's historic two lantern warning.

This landmark cemetery in Boston was created more than 300 years ago.

This beautiful site is where the first transatlantic telegraph was sent from.

A tribute to the little-known group of women who were the first ever to fly aircraft in the U.S. military.

A tiny monument to the unsuccessful attempt by Thomas Jefferson to place the prime meridian in Washington.

A rare wayfinding portmanteau of “Street” and “Avenue.”

A roadside park in eastern Maine first marked the halfway point between the equator and North Pole with a brass pin in 1896.

An American city stranded at the tip of a Canadian peninsula where strict adherence to the "49th parallel rule" became problematic.

The Arctic Archipelago is home to world's largest third order island: an island in a lake on an island in a lake on an island.

The remote graves mark the mysterious deaths of four 19th century explorers.

The only parking meter in the entire town, it is surrounded by 100 free spaces.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

The only way to visit this old resort hotel is with scuba gear.

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.