In an arboretum with hundreds of memorials to the fallen, this one might be the most poignant.

A home built with marble tombstones from the graves of 2,200 Union soldiers buried in a Virginia cemetery.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

This small-town Connecticut restaurant gives each diner a free book from its vast library.

The remains of the concrete ship can be seen during low tide.

The oldest surviving botanic garden in the United States.

James Turrell's total color immersion art installation, hidden on the top floor of a luxury handbag shop.

10,500 square feet of pinball housed in former dollar store and home to the last playable "Thunderball."

One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

This doorless 20th-century elevator doesn't stop or slow down.

Contrary to what one might expect, ice forms inside this small cavern during the summer and melts during the winter.

A quaint village in Western New York named after Alexander Hamilton's beloved sister-in-law.

A collection of unique outdoor sculptures surounded by the beauty of nature.

Home on the Hillside, and home of the first breakfast cereal.

This dig site outside D.C. is known for its exceptionally high density of baby dinosaur fossils and dinosaur eggs.

This abandoned fishing settlement may well be the greenest village in the world.

This Seattle curio shop collects and sells haunted items in order to spread wonder one grim artifact at a time.

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

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

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

A pair of large white marble lions guard this stretch of the Mojave Desert, and it is utterly mysterious how they got there.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

A treasure trove of rare and fine fabrics from around the world.

This encrypted monolith protected a secret of Norse mythology by hiding in a church wall for over a millennium.