Monuments

The first AIDS memorial chapel in San Francisco and one of only a few in the U.S.

A tribute to the furry local heroes who helped get residents through many tough times.

The site of the first "historically true" UFO encounter in the U.S.

A remnant of the 19th-century dream to discourage people from drinking booze by offering them water.

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

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

A fitting tribute to a beloved local boxing coach that's produced four world champions.

The fountain marks the area where hundreds of accused witches were burned at the stake.

A remote hilltop covered in giant monoliths haunts the Brittany countryside.

The final resting spot of the Colorado Transportation Department's beloved unofficial mascot.

The geoglyph once sported a glass bottle eye.

This headstone-like marker inscribed with three words has been an utter mystery for over a century.

A close look reveals that the Scottish monument is just slightly off-kilter.

A cross marks the spot in a small Scottish village that claims to be the exact center of the country.

A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.