An overlooked oasis of quiet on the grounds of Washington's monumental basilica.

The most accurate timepiece in the world.

This lovely pocket park is one of the most under appreciated in D.C.

A taste of Middle Earth, in the middle of the Bayou City.

An ice cream parlor chain that caters to vegans and pinball fans equally.

This painted blacktop brings the classic arcade game to life.

Florida’s half-sized replica of the Vietnam Veterans Wall.

Visit these gentle, bell-bottomed, exquisite equines at the home of North America's first Gypsy Vanner horses.

An underwater statue of Christ blesses the depths off Key Largo.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

Where manatees are the snowbird vacationers in these balmy Florida springs.

The scuba diving training facility was named for the steam that rises from the cave's chimney.

One of Edinburgh's oldest pubs hides a 19th-century skittles alley in the back.

Come for the oysters, stay for the priceless art honoring inventors across history and Scotland's favorite outdoor sports.

Every birth, death, and marriage is recorded in these color-coded leather-bound books.

This small museum in a 17th-century building honors three iconic Scottish writers.

A library where thousands of books explain how to avoid another Great Recession.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

A book bound in the skin of an infamous criminal, along with countless other specimens.

Accessible only at low tide, the deserted island is dotted with World War II ruins.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

360° views of the city plus five floors of optical illusions and hands-on science.