Places a Wild Erik Wants to Go

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

The childhood home of Henry Jones Jr. is now an adventure-themed bed and breakfast.

When ecosystems collide in the arid Southwest.

The largest self-built castle in the U.S., six decades in the making.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

Experience a quartz crystal sound bath inside a storied, all-wood sound-chamber.

The site where a nuclear bomb was lowered over 8,000 feet underground and detonated as an experiment in natural gas extraction.

It would be easy to walk past this unusual piece of art and have no idea it pays tribute to the odd life of a real chicken.

Metal water storage tank turned ethereal concert hall.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

A library built during San Francisco's pioneer times is a student's retreat, bibliophile's sanctuary, and chess player's delight.

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

Inside an old airplane hangar, friends and strangers alike play on a massive trampoline.

A modern mechanical planetary system, part of a 10,000 year clock.

Tiki luxury on Nob Hill.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

A nondescript building that's been functioning as a speakeasy for nearly a century and a half.

San Francisco's newly reopened hands-on science museum.

A winding path built in secret on the edge of the continent.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

The private clubhouse for the members of the Academy of Magical Arts.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.