Hidden behind Lincoln's head is a 70-foot-long chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

Five miles of underground river link lake to ocean.

World's largest cave was only discovered in 1991, and now offers tours to the public.

An ordinary pond with fish from out of this world.

Fine dining in the bizarre world of Lewis Carroll.

Seattle’s Whimsical Mural Master.

Residents of Fremont in Seattle have considered it the center of the universe since the 1970s.

A "sinister, whimsical, tacky, and really orange" public art installation hidden under a Seattle bridge.

Allowing humans and fish alike to migrate from freshwater to saltwater and back again.

A rotting tree in the middle of Seattle doubles as an elaborately-controlled art piece.

A colorful architectural gem in Seattle's uniquely modern Central Library.

This semi-secret garden in south Seattle emulates a traditional Japanese garden using the plants of the Pacific Northwest.

A wall of chewing gum moonlights as collective art.

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

A giant Troll lurks under one of Seattle's oldest bridges.

An old vending machine serves up unpredictable beverages from its seemingly magical insides.

The oldest lawn bowling club in the United States.

The second building of its name to occupy this location might be the finest flatiron building in San Francisco.

A shining, cold, black organ lies in San Francisco's financial district.

Only hotel where you can legally launder money.

This giant head is all that remains of a once proud statue that survived an earthquake but not a fall off of a wagon.

Forgotten and then destroyed by fire, this was once one of the largest saltwater swimming pools in the world.

Recovered from the brink of extinction, at home in the Financial District.