Places Added by Eric Grundhauser

While not Turkey's deepest underground city, this subterranean redoubt is the largest.

Beating out all other concrete competitors, this massive garden feature's pointy hat has earned it a world record.

This historic London residence was once the womb of Scientology.

The deepest underground city in Turkey was designed to protect 20,000 people behind massive stone doors.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

This ancient subterranean megalopolis is known for the hot oil traps that were installed above each of its entrances.

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

The centuries-old trees lining both sides of this dirt road may become Madagascar's first natural monument.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

Running under an entire mountain, the longest highway tunnel in North America is kept fresh using portal fans and jet fans.

This historic stone bridge has an entire neighborhood clinging to its sides.

This giant power line tower is a robot that can express its moods in neon.

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.

This highest bridge in the world spans such a great chasm that it had to be established using rockets.

The largest axe on the planet contains a time capsule that seems like it may never be discovered.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

The largest garbage dump in all of Central America is home to a tragic community that make their living from the refuse.

This towering totem holds the title for the tallest in the world but only according to some.

This dangerous-looking suspension bridge may have been too unstable to remain open.

The black lab that was voted mayor of a California town is forever remembered by a life-size statue.

Over 80,000 carved wood blocks make up one of the world's oldest intact Buddhist canons.

This Parisian café sticks almost exclusively to an ethos of reuse.