Famously misunderstood wonder of the ancient world

This temple was constructed entirely by Roman soldiers.

This enchanting Victorian estate was home to the world's first hydroelectric power generator.

Brisbane's manmade urban beach has enough water to fill five Olympic-sized swimming pools.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

A quartet of tiled art pieces adorn the floors of this prestigious art museum.

Once designed as the entrance to Buckingham Palace, this structure was later relocated and stands as a victory arch.

Soon after its unveiling, this giant inverted globe sparked controversy and was vandalized.

Originally meant to hold a statue of King William IV, this support sat empty for years. Today, it hosts a rotating cast of public artwork.

The pockmarks across the building's facade are remnants of the Blitz.

The Art Deco artwork depicts gilded carriers of deadly illnesses.

Spitalfields' regal market goat is said to be a monument to the area's migrant population but most are pretty sure it's just a goat.

The fences outside some of South London's estates are made from recycled World War II stretchers.

Its collection includes a broad array of social, geographic, graphic design, and political history.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

A little-known, yet charming glacial lagoon.

What was once believed to be a church floor turned out to be the artwork of geology.

This mountain fissure hides a secret path to a secluded mossy grotto within the rock itself.

The first woman to become a member of the parliament of Iceland.

One of the oldest family businesses in Reykjavík serves lamb-based hot dogs.

These rose marble urinals are the most luxurious loos in Liverpool.

This museum explores how a 1973 volcanic eruption forever changed this small Icelandic island.