Places JonnieDangerously Wants to Go

A volcanic tunnel illuminated by natural skylights offers a shaded respite from the desert sun.

This mostly abandoned shopping outlet is now adorned with beautiful graffiti and murals.

Thousands of migrating monarchs overwinter clustered amongst the eucalyptus trees.

A simple statue outside a California Amtrak station honors the overlooked contributions of the "silent spikes."

A hotel and restaurant serving as the mecca of kitsch.

An alley covered with 20 years of bubble gum.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

The last remnant of a tree that helped prove to the world that sequoias are real—and they’re spectacular.

Quite simply the largest tree in the world (by volume).

This massive statue of John Muir on the side of a California highway was carved from a redwood tree.

This small shack near the entrance to Sequoia National Park has been in almost continuous operation for the last century.

A 19th-century cabin built into a hollowed-out Sequoia tree.

Four hundred granite steps were built into this massive rock by the National Park Service.

These millipedes glow not out of attraction, but as a not-too-subtle warning.

A whimsical menagerie of devils, krampuses, satyrs, and other horned creatures.

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

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

This haunting location was featured in the final scene of a classic spaghetti western.

A display of torture devices used in the Spanish Inquisition and other scourges of medieval Europe.

The Spanish writer devoted hours to writing 'Don Quixote' in this house.

An out-of-place grove of sequoias thrives in northern Spain.

A Roman bridge closed to car traffic in the 1990s now open to foot traffic.

One of the largest ossuaries in Spain is packed from floor to ceiling with bones.

This macabre masterpiece of a mural is one of Francisco Goya's "Black Paintings."