One family's environment-friendly hobbit-house in Wales.

This Roman amphitheater is said to be King Arthur's legendary Round Table.

The enormous earthwork sculpture honors the ponies that lived and worked in the old colliery.

An amazing collection of curiosities hidden in a small Welsh village.

Enthusiasts of the mid-20th century magician and comedian erected this statue in the small Welsh town in which he was born, even though the comedian only lived there for three years.

High Victorian fantasy created a fairytale castle out of a ruined fortress in Wales.

Stroll through Welsh history in a village of reconstructed structures.

This eclectic antique shop is home to the taxidermy remains of a celebrity lion named Simba.

The painting on an aptly named street honors the 1980s slasher movie.

Famously misunderstood wonder of the ancient world

Rebuilt remains of a temple to Roman god Mithras.

A comic book store that puts the marvel back in marvellous.

A series of carved figures that scandalized British society.

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

A cluttered and astounding collection of antiquities and curiosities.

The tallest mud-brick structure in the world has been standing since the 1500s.

This longship was a gift to commemorate the 1500th anniversary of the Anglo-Saxons arrival in England.

Despite monuments in other locations, this spot in a South Dakota field is recognized by the U.S. National Geodetic Survey as the center of the 50 states.

Once called "the biggest room in the world," this Victorian-era hall is so large that it contains a smaller 1970s heptagonal theatre.

These 500-year-old frescoes depict the city in its glory days.

A jumble of concrete on the corner of one of London’s terraced buildings is actually a work of art.

In 1953, a group of Wisconsin high school students helped build a hospital by collecting over a million pennies.

This Tudor-style mansion is home to the first roadside confectioner in the United States.

A small museum celebrating the life of the first Black four-star general in Air Force history.