A plaque commemorates the spot in the Oregon woods where the first-ever Geocache was hidden.

The United States' first transcontinental automobile road came to its end at this spot in San Francisco's Lincoln Park.

Under the shadow of its towering parent tree, a rare specimen of sequoia produces ghostly white leaves.

Furniture tries to escape an abandoned building in San Francisco.

The only visible piece of San Francisco's most famous shipwreck.

Gold Rush ship-turned-hotel buried underneath San Francisco's financial district.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

A Barbary Coast watering hole built into a Gold Rush shipwreck.

A promotional sun clock on the site of San Francisco's great raceway.

This scenic gorge is named after one of the most famous Bigfoot attacks in pseudohistory.

As a show of peace, a Japanese naval pilot gifted his 400-year-old Samurai sword to the Oregon town he bombed.

It took years to decode its mysterious messages.

Built by prisoners of war, the largest small-scale model ever built includes eight miles of tiny streams that now sit abandoned.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

One man's quest for the ultimate road trip vehicle.

Some of the best pastries in "the Czech heritage capital of Texas" come from a gas station off I-35.

Tracks near this Texas nature site were once thought to support the Creationist belief that man and dino coexisted.

Known as one of America's most beautiful public restrooms.

This crumbling UFO is one of only a few remaining "moveable ski chalets" of its kind.

This theatre was made famous after Lee Harvey Oswald was captured inside watching a film.

A registered historic landmark shrouded in unsettling local legends.

"Dallas’s pretty much only carnivorous plant gallery."

Hidden inside this Arizona fast food franchise is an in-depth exhibit on the famed WWII counterintelligence program.