Beautiful mosaics cover the first stations opened on New York City's newest subway line.

An oasis of calm amid the chaos of the boardwalk, the museum traces the heritage of this beloved beachside amusement park.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

The world's largest kaleidoscope, designed by a 1960s psychedelic artist.

Homemade rockets, dinosaurs, and robots make this New York small business much more than a furniture store.

Berlin's old airport.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

A famed data visualizer's personal sculpture garden is a landscape of modern and megalithic wonders.

This quirky local sculpture is quite literally a fish out of water.

Located inside a former bread factory, this museum explores a century of transportation history through innovations that were extraordinary or failures—sometimes both.

This tiny home was originally a narrow alleyway.

This chapel on a cliff is renowned for its healing powers and was founded on the site of a supposed divine intervention.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

Once a thriving business district, this former shopping area is now an urban ghost town in the heart of the city.

Once America's tallest structure, now a Baltimore landmark.

A monumental statue of RCA's mascot now sits atop a historical society roof after a life of moving around.

Fiji mermaids, mummified remains, and recreated cryptids are among the morbid oddities at this Maryland museum.

The design of this historic domed church was influenced by Thomas Jefferson and intended as a statement of religious freedom.

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

The trials and tribulations of marking Poe's grave.