These ominous lava formations were said to be an entrance to the netherworld so of course they inspired a famous metal band.

A little-visited waterfall in an otherworldly landscape.

A winding, blood-red tunnel of hardened lava navigable by foot.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

Rising from the sea like a stone monster.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

This modern monument to pagan belief looks like it was transported straight from ancient times.

Staves, storm-calling, and of course, necropants.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

This little museum has an exhibit devoted to the elusive forest denizens.

The Icelandic Sea Monster Museum explores the area's history of aquatic cryptid sightings.

This arid landscape was once a lush wetland. Today, it's a paleontological site filled with fossilized mammoths, sabertooth cats, and more.

Temporary Burning Man sculpture made of two 18-wheelers.

Originally built as a promotional giveaway, this suburban house was designed to be an IRL version of the Simpson home.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

An eccentric company offers eccentric millionaires the opportunity to have spaceflight-related experiences.

A whopping 14,000 copper coins cover this miniature fighter jet.

The oldest arched-covered bridge in Virginia has truly withstood the test of time.

An out-of-place Air Force radar dome is all that denotes this park as a former missile launch site.

Collecting 700 years of mechanical death-dealing, the NRA's sprawling gun museum is a revealing testament to the American obsession with armament.

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

One of the last active volcanoes on the Eastern seaboard.