You can spend the night in Dr. Frank-N-Furter's castle.

This exhibition space designed to look like the skeleton of a whale is hidden underground.

For those going through a life transition, a place to leave behind a piece of your former self.

A brick-paved former section of the historic coast-to-coast highway.

Step into a pastel time capsule where candy is truly dandy.

This 12-seat movie theater is the smallest in the world.

In 1909, the steepest and most difficult piece of track on the Canadian Pacific Railway was replaced with a series of spiralling tunnels cut into the mountains.

This is the oldest Roman-made bridge in the city still existing in its original state.

Once considered one of the country's finest motte and bailey castles.

Narrow gorges and deep pools created by long-ago glaciers.

Heralded as the oldest statue in London.

Unruly residents were housed in this one-person cell until the Black Maria arrived.

This wondrous hideaway is suspended in a bamboo forest above a sanctuary for rescued llamas and alpacas.

A lasting remnant of The Blitz.

Often referred to as the largest spring in America.

In the power of this waterfall, Alexander Hamilton saw the potential for industry.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

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

Six tiny houses built for working class people form the largest intentional cluster of Wright homes anywhere.

Everyone's favorite clay duo immortalized in bronze.

A train car sitting on a rooftop makes an unlikely and picturesque setting for dinner.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

Nine of the very few concrete ships ever made in the U.S. are beautifully decaying off a Virginia pier.

A waterway covered over after the Industrial Revolution has been unearthed and cleaned up, for the enjoyment of fish and humans alike.