A piece of Seattle’s historic Chinatown preserved inside a modern museum.

The fully functional, submerged Vanuatu Post Office is definitely one of a kind.

Two volcanic lakes in an enormous crater formed in a prehistoric eruption.

A modern Nordic Pompeii on the Icelandic island of Heimaey.

Nearly 40 miles and 1,000 years of limestone mines under Denmark.

Remains of military submarines built in secret jungle factories by the Tamil guerrillas' naval wing.

A once-stately trading fort is now a ruin slowly being consumed by the sea.

A rare chance to get up close and personal with a 13-mile ribbon of ice near downtown Juneau.

The stone labyrinth in this New Orleans city park was laid to symbolize healing in the wake of Hurricane Katrina.

Mining caused an asbestos emergency in this small town.

Intricate storybook scenes are tucked inside these shadow boxes, which are tucked inside a library in the Pocono Mountains.

This Latvian shot factory is still used twice a year to manufacture bullets the old-fashioned way.

A remarkable lifelong collection of antiques and art preserved in a historic Melbourne townhouse.

A wooden dock art installation on Chiloé Island taps into the island's indigenous mythology.

At high tide, the base of the lighthouse covers practically every inch of the island.

There are thousands of tributes and memorials to the King, but none quite like this one in a Kraków city park.

Now isolated, this church was once the center of a bustling village that succumbed to the Black Death.

Creek water that starts here has a 50/50 chance of ending up in the Atlantic or the Pacific.

This remote lake in Siberia supposedly contains a fearsome sea monster.

Some islands... they come, they go, especially on Lake Travis.

This odd 1930s shop remains stranded in time and shrouded in mystery.

A turquoise lake within a volcanic crater.

A museum of anything and everything Stooge.

The mayor made the declaration in 2004.