The engineering wonder and pleasure dome of a much-maligned emperor still holds undiscovered secrets.

This smaller cousin of the Forbidden City has gone from ancestral sacrifice to tourist's whispers.

One of America's first dinosaur parks gives a window into Depression-era paleontology.

A mysterious castle built as a monument to lost love.

Sleep where gangsters fell amidst smoke and flame, with nary a bullethole to show for the legendary struggle.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

A collection of more than 12,000 shoes, displayed in a building shaped like a shoebox.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

This striking art museum holds an amazing series of curiosity cabinets.

Statue dedicated to the star of an old television show.

A place to eat for on-the-run agents and espionage enthusiasts.

This museum of Hawaiian and Polynesian culture is the legacy of the last descendant of the Kamehameha Dynasty.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

The "lovely red Vega" of the legendary record-settling pilot.

An unassuming, powerful monument north of the U.S. Capitol bears witness to the resilience of Japanese Americans during a time of grave injustice.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

One of few lasting examples of the brief octagon craze that developed into folly.

27-room home built with the fortune of a sugar magnate.

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

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

The most famous location in China was home to whole dynasties worth of imperial rulers.

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