The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.

A bizarre house filled with an astounding array of collections.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

A remnant of the 19th-century dream to discourage people from drinking booze by offering them water.

A floating McDonald's built for Expo '86 is now a derelict relic on Burrard Inlet.

Accessible only by boat, this centuries-old island fort never saw troops or combat.

The London pub overlooks where the Mayflower was moored before setting sail for the New World.

A tongue-in-cheek arcade where the games are based on everyday life.

Hidden beneath the streets of London is a secret subway that only carried mail.

A kaleidoscopic warehouse-maze of handmade neon signs.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

This massive blockhead sculpture hides an entire library.

Every week, a festive public jam session breaks out in downtown Asheville.

This Asheville chair museum wants to revive a dying art.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

Classy up your Big Mac with bow-tied servers and chandeliers at the world's fanciest McDonald's.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

This Portland Art gallery doubles as a studio that supports adults with intellectual and developmental disabilities.

This scenic gorge is named after one of the most famous Bigfoot attacks in pseudohistory.

This large Sitka spruce that appears to be floating in mid-air, has defied logic for years.

A tiny red pebble marks what may be the quietest outdoor spot in the United States.

First founded in 1472, this is the oldest bank in the world. Its history may explain why we call financial institutions "banks."

An ancient water supply dating back almost 500 years can still be found standing in East Sussex.

Henry VIII's forgotten castle was built by the gunpowder-obsessed king to be defended solely by cannons.