Outdoor escalators and art have helped change what was once a notoriously dangerous part of Medellín.

Home to 23 voluptuous and instantly lovable sculptures by one of Latin America's most celebrated artists.

The world's tallest palm trees look like the whimsical kind of plant you'd find in a Dr. Seuss story.

Colombia's biggest botanical garden contains plants from all across the country.

Pilgrims each carried a brick to the top of Mount Monserrate to help build this historic sanctuary in Colombia.

A celebration of Colombia’s premier contemporary artist.

This Bogotá museum houses the world's largest collection of pre-Columbian gold relics.

Site of a classic 19th-century physics experiment to prove the earth is rotating.

The World's First 24 Hour Coin-Operated Art Gallery!! Plastic, Styrofoam, and Elvis--If you can't get rid of it, you might as well worship it!!

Hear the quietest sound from across the dome.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

A garden oasis filled with flowers mentioned in the works of William Shakespeare.

The stones that traveled from Spain to eventually become a holy place for San Francisco's nature worshippers.

The remains of a ruined mansion memorialize the 1906 earthquake.

Olfactory delights in San Francisco's Botanical Gardens.

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

Get a taste of Chamorro cuisine, family-style, at this popular restaurant.

Eat like a "buckaroo" at this remote restaurant.

A small outpost dedicated to protecting the stingless bees native to Oaxaca.

Adolph Sutro's little-known, geographically inaccurate, deprecated monument.

The ruins of an abandoned church mingle with the graves at Oaxaca’s General Cemetery.

The stoutest tree in the world.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.