The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

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

The site of Paul Revere's historic two lantern warning.

This popular Boston haunt is reminiscent of a time gone by, when slow cafes and sweet-smelling smoke wafting from patios was the norm.

A historic bridge with a lovely acoustic anomaly.

One of the indelible moments of the American Revolution took place at this location.

This one has sailed five times as far as Sir Francis Drake's famous ship.

London's smallest police station is barely the size of a phone booth.

Impossibly life-like natural history models created out of glass by a father and son.

This natural Icelandic fissure allows divers to swim right between two volatile tectonic plates.

This area was once known for being a lawless haven for rough-and-tumble sailors, earning the maritime-themed nickname "the black sea."

This historic Boston building has gone from personal estate to porn theater and back again.

This black shoreline is made up of exploded lava particles.

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.

The quintessential Japanese rock garden has existed for more than 500 years.

On October 17, 1814, a 15-ft. wave of beer ran rampant through the streets of London.

Giant, friendly pelicans in Central London, the most unlikely of places.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

From the sky, a kaleidoscope of color brightens the grey landscape of the San Francisco Bay.

The world's largest rotating world.

Dive bar built out of the remains of a whaling ship.

Overgrown ruins of a turn of the century island fort that sees very few visitors.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.