Places abk1974 Wants to Go

The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.

Forget Hollywood, one of the biggest stars in the world can be found in Roanoke, Virginia.

An overgrown collection of miniature buildings still stand as evidence of one couple's obsession with The King.

A painfully obvious spy house sits right across the street from the Russian Embassy.

The most accurate timepiece in the world.

A hoard of sky catalogs, astrophysical journals, even the works of Galileo and Copernicus.

You could be standing at the site of one of D.C.'s most fatal tragedies and not even know it.

Obscure Freemasons still live in D.C.’s largest private residence.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

D.C. once had its own tiny rival to the New York Stock Exchange.

The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

The Cold War-era "underground Pentagon" is a sprawling subterranean hideaway for the Defense Department.

A local prank turned town icon.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

The world's third-largest crystal sphere has sat in the Penn Museum since 1927 with the exception of one outlandish theft.

One of Philadelphia's largest murals resides hidden under this bridge.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

The first American department store, and home to the largest operating musical instrument in the world.

This splendid Versailles-inspired mansion has the largest French-style formal gardens in North America.

An award-winning children’s garden enchants visitors at the intersection of natural beauty and fairy tales.

This heritage rail line meanders through Delaware’s Red Clay Valley.