Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

The world's oldest individual clonal tree looks like a wimp despite standing tall for 9,550 years.

This massive mushroom has spent centuries eating its way across a huge swath of Oregon.

A ring of creosote bushes that are estimated to be 11,700 years old.

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

What might look like a cliffside sacrificial altar at first glance is actually a stone compass pointing to cities and lighthouses all around the world.

This tiny museum's sizable collection is jammed into a former underground public toilet.

This network of tunnels housed an entire village for years, and even had a hall for screening movies.

A Himalayan monastery claims to have a piece of a centuries-old abominable snowman.

The Arctic Circle runs through this isolated spot north of Iceland.

Activists are fighting to preserve these unfinished highway ramps as a tribute to the citizen revolt that halted their construction decades ago.

Small teepee-like houses built for TB patients have become sheds, studios, and bus stops around Colorado Springs.

The giant Siberian crater known locally as the "doorway to the underworld" is expanding every year.

A 19th-century subterranean reservoir repurposed as a contemporary art cave.

A modern-day Lascaux cave underneath Paris.

A subterranean shelter remains intact under a busy Paris railway station.

This faux-seedy Japanese arcade is made up to look like a maze of alleys straight out of a cyberpunk dystopia.

The freshest fish here are the ones you catch yourself.

A taste of the macabre Tokyo's ritzy shopping district.

Fine dining in the bizarre world of Lewis Carroll.

A tiny cafe that recreates the Japanese elementary school lunch experience.

Japan's corrupt-mental-institution themed restaurant offers diners a chance to eat inside of filthy cells.

Cabaret where the show girls are all androids, and the patrons couldn't be more pleased.

One family's mission to exemplify sustainability took on a whole new life as a surprisingly beautiful home.