This Colorado hiking trail provides a small gold mine of abandoned gold mines.

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

A warning to the weak-kneed: This narrow bridge does its swinging eight stories high.

A tribute to the twin ideals of religion and patriotism, built by a Catholic priest from rocks, glass, and innumerable found items.

This punny mirror of another Wisconsin attraction is exactly what it sounds like.

A huge musical instrument played by the ocean.

A one-stop shop for all things snowmobile, started by a snowmobile-obsessed group of friends in Wisconsin.

The world's largest talking cow would like to tell you about the benefits of 100% Wisconsin dairy products, if only she still could.

Homemade outdoor church and sculpture garden decorated with glass shards.

More than 5,000 contemporary and "historic" mustards from around the world.

Massive crater in central Oregon.

Not-so-fearsome tiny trolls live under this wooden train trestle in Portland.