It's possible to walk inside one of the largest Neolithic tombs in Britain.

Europe's largest prehistoric mound – burial site of a legendary king?

The largest stone circle in the world has ended up bringing up more questions than it has answered.

The highest pedestrian bridge in Singapore looks like a series of undulating waves rising between two public parks.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

A 19th-century funicular railway shuttles visitors up this surprising sea cliff to one of the world's largest camera obscuras.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

England's most notorious suicide spot.

Decrepit Victorian public lift is a white-knuckle ride.

This seemingly normal pathway actually forms a giant fingerprint.

These shopping center benches are actually a modern art installation.

This British museum hopes to take the taboo out of poo.

This purpose-built dinosaur museum is shaped like a pterodactyl and holds fossils that were found in its very village.

This lighthouse was crafted as penitence for the theft of wine bound for a monastery.

A spectacular cave and a beguiling lake.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

A 13th-century convent where St. Margaret of Hungary spent her teenage years.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

Iceland's tribute to its thankless civil servants.

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

This futuristic bridge is one of the longest self-anchored pedestrian bridges in the world.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

Traditional 15th century Chinese garden in the middle of Vancouver.