This unique library spans a mighty river.

This Seattle store is packed with all sorts of curious creatures and creations.

City Council meetings still happen in this historic building, impeccably preserved on the inside.

Sleep beneath the big screen at this old-school movie theater.

This statue and its surrounding plaques tells the story of Ko-kwal-alwoot and the kinship between the Samish people and the sea.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

Stroll through a wonderland of stupendous moss-covered trees.

This massive redwood tree has a hole in the base big enough to drive through.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

340 bicycles, 65 feet high.

Monumental sculptures of Patrick Amiot, constructed from debris, detritus, and determination.

This historic California cemetery holds the bodies of veterans of both the Civil War and the Donner Party.

9,000 square feet of vintage and modern mechanical toys, dioramas & sideshow curiosities.

A B&B on a Victorian lighthouse station in San Francisco Bay.

An ever-updating collection of retro Americana.

A treasure trove of pathological, forensic, parasitological, and anatomical specimens.

Macabre astrological automaton clock dating to the late 1400s.

Two stunning 17th-century libraries and a cabinet of curiosities.

A church of bones, decorated with 40,000 human skeletons.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

What was to be the world's most secure Cold War document vault ended up as just a few shallow caves.

Live long and prosper in Vulcan, Alberta.

Few other hotels can rival the grandeur of the Castle in the Rockies.

This metallic stampede sits frozen on a Washington ridge yet the artist's vision is still incomplete.