This 140-year-old beacon off the Florida Keys marks the wreck of a Navy ship that once roamed the Caribbean hunting pirates.

Sip sweet, luxuriously creamy Hong Kong-style milk tea at this cafe.

The last street gas lamps in Hong Kong.

A serene space tucked amid the skyscrapers of Hong Kong's bustling financial district.

Climb to the top of the world's largest seated bronze Buddha.

Remnants of the most densely packed city in world history, that thrived on anarchy for 30 years.

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

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

This knockout museum lies in a sleepy corner of London.

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

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

Scattered throughout London are ancient remnants of the city's former bounding wall.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

Hear the quietest sound from across the dome.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

Come for the springs; stay for the mud bath.

The larger of two volcanic peaks rising out of the crystalline waters of the Caribbean.

Thermal springs underneath the seabed provide the heat and bubbles for these beachside natural hot tubs.

An architectural marvel that dates back to the zenith of Indian architecture.

This magnificent stepwell is designed as an inverted temple and adorned with 1,500 sculptures.

This cannon was part of a 16th-century fort near Miramar Beach in Panaji.

The erstwhile Portuguese Era mint house of Goa.