One of only two exposed meteor impact craters in the United States

An early 20th-century fire lookout, still in intermittent use, preserves legacy fire-locating equipment.

Decor at “Nevada’s Oldest Thirst Parlor” includes Raquel Welch's brassiere hanging from a stuffed moose head.

A volcanic spur of Lake Tahoe wrapped in Washoe sacred stories and road tunnels

A junction in the Death Valley backcountry marked by old crankshafts

The purported midpoint in London from which all distances are measured has a tragic love story at its core

A historic office and commercial building located in the heart of downtown San Francisco.

Historic home to one of the most famous women pioneers of the 19th century.

At one time, it was the second deepest mine shaft on the planet!

A giant sculpture head with an optical illusion dedicated to the longtime conductor of the Boston Pops.

The ritual has been performed uninterrupted for nearly 700 years.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

The ground on which Shakespeare’s initial playhouse once stood.

The fossilized remains of ancient California redwoods.

A cosmic pit stop just beyond the notorious Area 51.

An installation tells of the horrific 1964 tsunami that devastated Crescent City, California.

A 19th-century California philanthropist is entombed beneath the telescope he funded.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

Interactive museum complete with costumed re-enactors and the only known surviving chest from the Boston Tea Party.

This dormant volcanic crater has been converted from a roiling pit of magma to a pleasant hiking spot.

A land of debatable treasure.

Built by the inventor of the radio, this abandoned hotel has housed early radio employees, military men, and a dangerous cult.

A public art installation featuring clawfoot bathtubs on stilts sparks admiration and controversy from locals.

Cambridge’s century-old outdoor swimming pool is tied for being the longest pool in the United Kingdom, but it is also unusually narrow.