Beyond being incredibly fun, not much can be said about the Hole with certitude.

Eco-village hidden in the foothills of the Alps that created a massive system of psychedelic underground temples.

Natural cathedral designed by Italian artist Giuliano Mauri.

Two churches shoot bottle rockets at each others' bell towers in an unusual Easter celebration.

An intricate and amazing house built by architect Karl Junker.

The only remaining collection of flayed figures made by French "madman" Honoré Fragonard.

Ancient man-made caves underneath small town Belgium.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

This First Nations monument is a peaceful spot with vast views of the Calgary prairie.

An exquisite grouping of structures made from 10 tons of invasive saplings.

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

A sculpture of a salmon swimming through a brick building.

Delightful disarray of found objects and clutter.

Private collection of art inspired by cabinets of curiosity.

A beautiful 62-acre Catholic shrine and botanical garden.

A heavenly experience, right here on Terra Firma.

A sliver of nostalgia in Seattle's Viretta Park.

Keeping Ballard's heritage alive with delicious, lightly battered Alaskan wild cod.

A 50-year old dive bar that has its own yacht club.

An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.

From a neon Rapunzel to a bike traffic meter to a street fair color scheme, the most opened drawbridge in the US is a veritable art gallery.

Old submarine parts have been converted into faux whale fins.

A beautiful final resting place for some of the noteworthy deceased.

New fungal and bacterial species call this deadly lake home.