This secluded Iceland farm holds the collected works of one rural sculptor's creations.

The oldest hall in Iceland was written of in the Sagas and features a centuries-old escape tunnel.

This mountain fissure hides a secret path to a secluded mossy grotto within the rock itself.

This tumultuous Icelandic lava field looks so alien European researchers want to use it as a stand-in for Mars.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

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

Medicinal spa created with the discharge from a geothermal energy plant.

Rising from the sea like a stone monster.

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

An encyclopedic collection of mammal penises.

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

The world's first underground farm is in a World War II bomb shelter beneath the streets of London.

This aircraft museum is home to one of just three Halifax bombers in the world.

The final resting place of England's most notorious bandit.

The National Railway Museum in York is the largest railway museum in the world, attracting almost 1 million visitors per year.

A fruit-loving town welcomes visitors with a giant melon set against the sky.

Witness to many historic moments in early Texas history.

A spur fit for a giant sits just off Highway 281 in Texas.

A mother's mourning for her lost son is remembered in this small park embedded with his memory.

An antique horse-drawn hearse provided French luxury for the dead in this Texan town.

Soldiers honored the beloved Pat with a special grave.

Decades of discarded bottle caps line this alleyway, a fixture of Texas A&M.

Artist James Turrell's ode to dawn and dusk on the campus of Rice University.

The wood bears a hidden love note carved by a young Johnny Cash.