A grove of colossal man-made flowers built to collect the sun's rays.

A view-altering observatory at the University of Texas.

The world's largest squirrel statue clutches a pecan bigger than your head.

A 24-hour vending machine restocked daily with homemade full-sized pecan pies.

Three hundred years of preserved Spanish colonial history in San Antonio.

A 131-year-old wunderkammer of Texas history.

Conflicting markers on its floor tell a tale of two city centers in San Antonio.

Two small markers remember the Alamo's feline protectors.

These boots are made for selfies.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.

The lowest point in the state of Illinois, at the confluence of the Mississippi and Ohio rivers.

This nine-story building can be played like an instrument.

Grotesque statues of figures from Buddhist hell haunt the temple's Sin Park.

This collection of reclaimed landmines acts as both an exhibition of their deadly history and as a shelter for children affected by them.

A battle between nature and architecture in the Cambodian jungle.

Hoax, mistake, or evidence of dinosaurs in human times?

A shrine built to combat the bad karma of a commercial venture.

Bangkok's men with dangerous jobs come here in search of protective talismans.

Buddhist university that allows English-language speakers the opportunity to study with monks in Thailand.

Bangkok celebrated its shifting monarchy with a militaristic homage to democracy.

For centuries young Thai men used this Giant Swing as a slingshot to heaven.

An ornate Art Deco tile mosaic representing Nebraskan life, both modern and prehistoric.

Daredevil repair workers can worm their way out the access hatch, loop ropes over the apex and rappel down the monument.