The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

Turnip-shaped island just off the Michigan shore in Lake Huron.

Years of archaeology, just chillin' by the water cooler.

This sprawling bookstore spans four floors and has more than a million books in stock.

Memorial of the Salem witchcraft hysteria in the town of Danvers, where it all began.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

This private residence was the template for one of the most beloved television homes of all time.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

A collection of full-size movie monsters opened to the public.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

Rare recess caves fill this unbelievably beautiful Ohio park.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

A winding path built in secret on the edge of the continent.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

An artsy hidden staircase leads to breathtaking views of San Francisco.

A huge musical instrument played by the ocean.

These half-buried combine harvesters just off Route 66 are an homage to the Cadillac Ranch.

A pair of giant legs paying homage to a poem, a king, and it would seem, socks.