This tallest folly in the world began its life as an elaborate factory chimney.

One of three sites in England that house the National Collection of Arms and Armour.

This medieval church is not only notable for its architecture, but also its connection with LGBTQ+ history.

The National Railway Museum in York is the largest railway museum in the world, attracting almost 1 million visitors per year.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

Red Hook's massive public pool, built by Robert Moses.

Headquarters of the world's fourth largest Hasidic sect and the first of many "770s" around the world.

Rome's first modern graffito is all that is left of a peaceful protest from the 1970s.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

A retired subway car stands alone in a field in the middle of Queens.

This landmark building is now a vibrant performing arts space with musical acts from around the world.

A temple belonging to the largest Buddhist order in South Korea nestled in the middle of New York City.

Where the four original members of the Ramones hung out and revolutionized punk rock.

This seemingly unremarkable boulder is said to bear the hoofprint of the devil himself.

This striking arch, one of the first architectural elements constructed in Prospect Park, was recently restored to its original glory.

This small glass cube is a peaceful out-of-the-way sanctuary at the busy airport.

One of the last remaining World War II Victory Gardens in the U.S. is quietly growing across from Fenway Park.

Created in 1972, the famous sculptor's intricately detailed monument to San Francisco is overflowing with city landmarks.

Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

Two cannon-like cranes were installed on top of the bank building to fend off bad feng shui.

This museum is a music lover's introduction to the iconic venue.

Inside this library, the history of Los Angeles is retold through a mural.

A relief that wraps around the concourse of Los Angeles's World Trade Center marks one of the city's failed urban design plans.