The highest point in Washington state is a volcano covered in glaciers.

Granting the right of way to ships over surface traffic since 1917.

Now housed in a museum, this giant pink elephant stood in downtown Seattle for more than 60 years.

A museum dedicated to the history and exploration of both popular music and science fiction.

A beach made of semi-precious green sand on the Big Island of Hawai'i.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

The glowing blue Nymphaeum of Emperor Tiberius.

Enter the cabin of a life-sized Hindenburg replica.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

The most visited, and possibly most controversial, museum in Germany.

The fairy tale castle of the "fairy-tale king."

This awkward aquarium sculpture is one of the strangest statues in Chicago.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

The last remaining 19th-century tenement from Boston's old West End neighborhood.

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

A former waterfront market is now in the center of town due to some interesting Boston engineering.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

Ice cream stand, snack bar, and time capsule of milk conveyance.

The massive machine creates cracking displays of indoor lightning.

The best place in the world to buy tinned fish.

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

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