This large maar crater in Oregon is the bigger brother to Hole in the Ground.

The U.S. Navy's last diesel-electric submarine rests half-submerged in the middle of Portland.

The oldest tofu shop in the United States is a firm favorite with locals.

A botanic garden full of trees twisted into fantastic shapes and positions.

A volcanic fissure over two miles long and up to 70 feet deep.

A delightfully quirky blend of oddities spread throughout an old 1920s bank.

This abandoned boat sits on a nude beach, is shaped like a UFO, and is covered in graffiti.

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

Private collection of art inspired by cabinets of curiosity.

A heavenly experience, right here on Terra Firma.

This frequently-photographed waterfall takes only a short hike to visit.

Abandoned bridge hidden deep in the San Gabriel Mountains.

Carved by a waterfall in a hard-to-reach rock formation, this heart-shaped rock has inspired romantics for decades.

Its buzzing collection honors vibrator history.

The graffiti-covered ruins of an abandoned trading post in the middle of the Navajo Nation.

Lemon Grove, California is known for its giant lemon...and mummified bodies.

One man's personal kunstkammer, museum and shop.

In 1830, cemetery workers in Cham unearthed a chamber housing thousands of skeletal remains from the 13th century, which can still be viewed today.

Money made from smuggling sugar helped create this wondrous rock maze in honor of the Prussian Queen Louise.

A former ironworks that was the first UNESCO industrial site.

Goethe's "Faust" was inspired by these rock formations known as the "Devil's Pulpit" and "Witches' Altar."

Striking occult iconography on a medieval German church.

This former steel and coal plant is now a neon-lit industrial fantasia.

This ancient ruined monastery has been destroyed by fire so many times that it seems like God hates it.