Monty Python fans will recognize this abandoned mine as the Cave of the Killer Rabbit of Caerbannog.

A creepy statue of a hooded ghost hauls itself up from the water in a historic Lithuanian city.

Step into a cartoon at this Seoul café that aims to evoke a two-dimensional scene.

This small-town Connecticut restaurant gives each diner a free book from its vast library.

A few stone foundations and an old graveyard are all that is left of this once thriving settlement in the wilds of Connecticut.

This unassuming tree stump reportedly traces its roots to the famous pharaoh queen's reign.

Ancient Egyptian relief, claimed to depict an electrical light.

Some believe that this ancient mural depicts technology far ahead of its time, but in reality it's nothing quite out of place.

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

This New York estate was designed to resemble a medieval Scottish castle.

On the Oregon coast there is a natural hole that seems to be draining the sea.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

This simple frog painting created by musician Daniel Johnston embodies the spirit of Austin.

This abandoned subway station can still be seen on regular commuter trips.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

An unassuming secret door once led to a legendary watering hole.

During the holidays, a vintage subway train whisks New Yorkers back in time.

The eerie remnants of an ancient forest were hidden under the sand for centuries.

While it is not equipped to peer into outer space this observatory looks like it was built on the moon.

This old-fashioned roadhouse's quirky neon sign is as famous as its enormous dumplings.

The shop's owner has spent decades in the desert wearing nothing but a strategically placed sock.

Flames have been burning within this mountain for more than 2,500 years.

The only thing sweeter than the potatoes is the canine proprietor of this roadside stall.

A retired subway car stands alone in a field in the middle of Queens.